12 Days of Christmas
14th21st18th28th20th18th46th182nd156th129th13th20th16th47th42nd27th25th20th27th15th14th11th
71st26th46th12th25th17th128th390th12th42nd
87th31st13th21st55th92nd147th18th1,216th32nd35th105th99th17th17th56th14th14th22nd13th16th
24 Game
5th11th15th13th8th14th18th38th40th31st15th6th9th34th8th12th13th12th11th11th8th9th
16th16th11th8th13th8th24th65th6th19th
17th19th7th10th19th20th22nd11th171st15th6th33rd25th10th17th13th5th11th12th
12th
99 Bottles of Beer
17th18th22nd34th20th18th51st180th168th119th15th14th15th46th23rd23rd26th25th22nd15th14th15th
65th25th43rd16th21st13th138th501st10th36th
73rd27th14th17th51st83rd154th18th1,153rd26th41st102nd84th16th17th44th14th12th16th12th12th
Abundant Numbers
21st26th32nd31st26th24th38th241st158th151st25th24th29th53rd22nd43rd32nd38th25th20th19th18th
82nd41st95th13th34th24th154th356th16th68th55th72nd34th15th29th51st77th94th26th1,180th28th33rd122nd119th24th20th48th11th18th28th12th25th
Abundant Numbers (Long)
13th18th31st26th24th24th20th126th80th105th26th24th17th64th19th34th30th37th20th18th18th17th
46th39th56th9th24th23rd105th181st17th50th
54th27th14th18th37th51st42nd21st583rd27th25th75th71st13th19th31st11th12th20th12th24th
Arabic to Roman
13th
67th
17th
15th
41st
62nd200th
18th
534th
67th
15th
Arithmetic Numbers
11th15th27th17th18th24th
97th62nd78th21st18th12th50th13th22nd23rd27th12th13th18th14th
35th19th25th11th
16th53rd143rd11th33rd
43rd21st11th19th23rd32nd32nd17th507th25th13th55th48th9th13th22nd7th10th15th
18th
Arrows
53rd
17th
14th
43rd
46th148th
16th
19th29th
16th
373rd
45th
25th
Ascending Primes
9th13th16th16th12th16th18th50th38th39th18th14th16th35th12th17th18th15th6th10th13th9th
25th19th19th9th18th10th37th79th12th21st28th15th16th6th12th21st23rd23rd14th280th17th16th47th26th12th15th17th6th10th13th
13th
ASCII Table
15th25th27th22nd18th20th39th135th71st75th13th14th10th49th15th24th23rd18th13th6th
14th
39th23rd19th10th20th15th53rd135th16th31st26th52nd23rd12th16th28th42nd45th21st480th17th
57th55th13th7th24th8th
12th6th13th
Billiards
8th
12th
12th
7th
15th
37th
9th
28th
8th
brainfuck
Catalan Numbers
25th14th17th10th9th15th27th38th49th34th23rd20th14th55th25th30th26th24th22nd27th20th9th
33rd33rd46th12th41st9th46th118th8th49th
19th14th10th12th33rd25th42nd24th450th13th26th75th30th14th7th14th16th11th15th5th11th
Catalan’s Constant
8th21st26th26th18th6th36th45th34th33rd10th9th14th34th11th12th24th21st9th7th11th15th16th18th11th15th9th22nd7th40th64th16th73rd
23rd22nd6th20th24th16th28th23rd174th15th13th28th31st24th7th24th17th6th8th4th11th
Christmas Trees
14th17th23rd18th15th19th58th132nd121st64th13th11th11th47th16th59th23rd22nd14th13th13th10th
43rd25th42nd13th22nd16th81st295th13th38th
58th24th10th18th49th68th81st17th864th18th36th101st72nd11th14th32nd11th
33rd9th18th
Collatz
21st26th41st29th25th30th24th261st120th164th22nd24th19th57th23rd30th34th37th22nd18th20th18th
51st44th69th13th29th26th116th291st23rd53rd
52nd27th18th23rd42nd67th59th30th882nd32nd23rd80th104th17th8th38th17th16th22nd12th27th
CSS Colors
10th
44th
32nd
17th
10th
23rd
34th183rd
15th
54th
313th
42nd
11th
Cubes
8th
16th12th11th17th26th63rd55th35th14th8th9th40th12th23rd17th13th10th7th9th10th
27th12th18th
17th8th46th113th9th28th
27th16th5th12th26th26th40th15th404th16th16th48th41st11th11th18th7th
12th8th11th
Day of Week
47th
273rd
Diamonds
12th13th19th14th14th18th39th101st76th65th15th12th11th49th14th80th19th21st13th8th14th11th
48th26th38th9th23rd13th62nd180th14th37th
44th22nd8th18th34th48th55th18th612th16th26th97th47th11th12th26th10th
16th10th11th
Divisors
28th18th35th75th25th30th39th336th172nd134th25th25th20th69th39th48th34th37th28th25th20th25th
88th37th130th18th64th24th174th613th20th64th
124th38th16th34th77th143rd108th25th1,540th32nd72nd182nd134th18th18th60th20th13th27th14th30th
Emirp Numbers
15th16th25th14th11th17th37th102nd59th47th17th15th34th45th12th29th24th22nd12th11th25th10th
33rd18th59th13th38th13th41st184th13th38th37th37th25th7th17th42nd62nd49th26th763rd21st63rd125th53rd29th8th26th10th19th17th6th15th
Emirp Numbers (Long)
10th14th21st15th15th17th19th60th48th42nd18th16th12th43rd14th22nd21st21st13th9th20th7th
25th21st27th8th24th12th40th99th9th23rd
30th17th8th15th22nd30th24th16th352nd18th26th55th40th12th12th18th10th9th12th6th17th
Emojify
10th
53rd
19th
8th
29th
38th173rd
19th
11th
379th
40th
11th
Evil Numbers
26th37th32nd25th25th26th44th243rd140th125th26th25th35th58th37th50th40th34th14th18th24th20th
61st47th87th18th73rd18th112th376th16th65th66th57th38th13th33rd69th116th102nd36th1,291st29th69th180th122nd32nd9th49th18th20th28th11th24th
Evil Numbers (Long)
15th22nd29th25th22nd24th20th138th91st89th24th27th15th54th30th40th31st32nd17th16th25th16th
45th41st45th9th43rd18th69th176th16th41st
43rd28th16th30th39th74th50th29th629th25th28th73rd78th15th20th31st21st10th20th11th20th
Factorial Factorisation
7th12th21st20th17th10th21st52nd31st
11th8th
32nd11th13th20th19th8th5th19th14th15th24th12th13th9th19th8th37th79th13th24th
16th20th4th17th20th17th23rd15th209th14th11th55th30th16th18th20th11th
9th4th9th
Farey Sequence
6th13th23rd20th14th23rd16th57th34th42nd21st20th14th44th19th20th23rd21st16th15th12th10th
24th22nd20th8th16th16th30th81st11th25th
25th21st11th19th28th29th26th17th248th17th15th46th38th11th16th21st9th11th15th
17th
Fibonacci
96th65th80th179th68th65th70th613th340th331st47th53rd38th87th85th87th87th79th50th69th36th51st
222nd90th216th38th77th51st343rd886th30th142nd71st238th96th45th81st132nd240th198th56th2,147th73rd178th282nd278th25th84th118th48th39th76th46th57th
Fizz Buzz
129th55th80th208th57th50th128th770th548th
37th55th36th74th111th81st84th76th66th99th32nd54th
255th82nd254th87th88th41st598th1,624th34th150th58th284th103rd53rd65th229th410th376th56th3,124th75th156th365th380th34th97th168th50th21st69th
62nd
Foo Fizz Buzz Bar
13th19th36th41st24th25th25th131st136th114th22nd18th16th56th21st29th36th28th18th14th17th22nd
61st36th48th13th24th18th155th338th20th48th
56th27th18th20th51st83rd94th29th920th32nd33rd72nd101st17th30th29th17th12th21st11th23rd
Forsyth–Edwards Notation
31st
134th
Fractions
20th
18th
31st
68th177th
35th
18th
586th
108th
15th
Game of Life
79th
14th
209th
33rd
Gijswijt’s Sequence
8th12th14th15th8th17th19th23rd26th23rd16th12th12th35th10th24th18th15th10th9th11th8th
19th16th14th8th16th13th26th66th12th19th
14th21st6th12th20th18th19th13th181st15th10th40th24th16th13th17th7th10th14th
23rd
Happy Numbers
16th18th31st18th17th20th35th111th73rd54th17th13th34th45th16th32nd24th22nd9th18th22nd18th
60th34th67th14th34th16th48th189th17th39th47th40th26th11th19th48th47th56th28th643rd21st39th89th62nd29th8th34th12th20th22nd6th19th
Happy Numbers (Long)
8th16th26th18th20th21st19th75th49th44th18th16th14th41st16th28th25th20th12th7th13th16th
41st35th42nd11th29th16th44th121st14th32nd
33rd20th10th20th36th31st32nd20th412th21st23rd66th41st13th6th21st14th9th16th8th22nd
Hexdump
13th
34th
37th
6th
18th
28th54th
11th
11th
209th
42nd
7th
Hilbert Curve
5th
12th13th9th9th
20th19th
10th4th9th24th
13th12th11th6th10th6th10th
17th11th9th
10th6th19th41st7th11th
14th12th4th8th14th14th13th8th112th10th7th24th17th10th9th9th6th13th10th
9th
Intersection
41st
13th
8th
23rd
43rd139th
21st
13th
335th
49th
16th
Inventory Sequence
8th15th27th23rd15th18th21st54th39th45th18th13th11th44th15th24th22nd17th10th11th12th10th
22nd19th21st8th18th14th34th90th15th22nd
25th21st11th15th30th27th27th17th271st17th15th48th34th13th12th15th11th10th15th8th17th
ISBN
66th
13th
14th
26th
45th138th
23rd
15th
390th
50th
13th
Jacobi Symbol
8th
39th
50th
18th
13th
168th
35th
9th
Kaprekar Numbers
6th9th15th13th11th13th13th45th26th
15th6th14th28th
15th16th11th6th11th7th8th
23rd12th9th4th12th11th27th67th3rd18th17th17th14th5th10th18th18th18th10th133rd11th6th30th25th11th11th14th6th9th10th
13th
Kolakoski Constant
9th18th20th29th20th6th33rd40th27th26th11th7th17th32nd11th12th22nd20th8th6th11th17th21st18th14th14th9th23rd9th35th69th15th30th
27th23rd7th20th32nd16th34th21st163rd13th14th39th33rd26th9th26th19th8th9th4th12th
Kolakoski Sequence
18th19th15th23rd11th17th35th65th42nd42nd15th11th13th41st15th22nd23rd21st9th9th13th11th17th32nd20th38th10th29th9th41st133rd12th31st
30th21st9th20th37th26th30th18th340th15th13th59th43rd25th9th20th10th7th14th9th21st
Leap Years
27th21st39th67th25th28th36th311th169th133rd28th23rd25th52nd33rd46th40th39th27th33rd26th22nd
83rd40th97th14th34th23rd182nd506th21st59th
106th50th23rd41st73rd139th146th31st1,157th34th59th125th131st19th35th56th22nd17th32nd16th29th
Levenshtein Distance
37th
21st
30th86th
178th
28th
Leyland Numbers
7th14th20th10th10th14th24th40th48th34th12th16th12th50th13th19th19th13th15th7th15th8th
24th20th42nd10th30th16th38th122nd15th35th
28th13th9th10th27th31st39th20th409th17th17th56th39th14th15th18th9th10th17th7th15th
ln 2
10th16th21st29th19th6th27th35th35th36th13th12th
47th14th13th24th23rd10th10th14th17th16th21st19th17th6th21st6th42nd77th13th58th
24th20th5th20th45th12th30th21st260th16th13th47th26th20th21st21st16th5th9th4th11th
Look and Say
9th17th16th17th13th18th29th53rd52nd42nd21st17th15th40th15th33rd22nd17th15th6th15th11th
29th23rd34th10th17th12th42nd160th15th30th
36th23rd10th16th53rd43rd39th20th435th19th22nd75th40th33rd7th18th12th10th16th9th12th
Lucky Numbers
7th12th17th10th12th19th18th50th35th33rd17th7th15th42nd15th22nd25th14th10th8th11th10th
68th20th30th9th19th12th30th94th9th20th
23rd17th8th13th26th24th25th13th282nd19th11th46th33rd15th6th16th8th10th13th7th11th
Lucky Tickets
9th
28th
39th
12th
6th
20th
23rd68th
14th
9th
188th
37th
8th
Mandelbrot
4th
16th13th8th12th
31st24th
13th7th9th27th
15th14th14th7th11th9th9th
22nd11th7th
14th8th23rd49th7th19th
21st16th7th11th16th16th15th10th149th12th7th34th24th10th12th11th6th8th11th
13th
Maze
142nd
Morse Decoder
29th
13th
6th
19th
27th94th
13th
7th
267th
44th
10th
Morse Encoder
45th
6th
22nd
29th107th
9th
17th
298th
47th
11th
Musical Chords
6th
43rd
13th
8th
15th
16th44th
12th
8th
126th
26th
7th
N Queens
4th9th13th13th9th13th13th29th25th
13th10th10th30th9th13th13th8th7th10th10th10th
19th12th15th4th13th10th26th51st9th16th
15th15th5th11th11th14th18th13th166th12th9th31st18th12th13th12th6th9th9th
11th
Niven Numbers
25th27th38th54th26th34th36th182nd123rd97th30th21st36th59th23rd50th41st41st28th22nd22nd24th
60th49th90th
44th30th105th356th19th64th58th75th46th24th36th62nd82nd89th31st934th28th58th132nd89th28th21st48th22nd17th34th16th32nd
Niven Numbers (Long)
13th17th28th23rd21st26th18th90th74th102nd25th22nd15th53rd17th36th29th27th23rd19th23rd20th
43rd41st37th7th26th22nd66th158th16th41st
51st30th18th28th38th49th50th26th505th25th31st80th54th14th22nd31st20th11th22nd10th25th
Number Spiral
6th14th18th8th12th17th21st62nd40th35th13th11th11th41st11th19th24th19th16th4th10th10th
25th17th14th10th38th13th33rd80th11th20th43rd20th17th6th10th23rd27th26th16th274th16th12th43rd29th14th5th17th7th
13th6th9th
Odious Numbers
23rd33rd33rd26th26th22nd36th188th110th99th26th26th36th53rd37th46th36th33rd12th20th24th19th
59th45th73rd
61st18th94th315th16th57th65th55th37th15th37th61st92nd89th34th944th30th62nd136th95th31st9th47th17th19th28th10th22nd
Odious Numbers (Long)
12th22nd30th25th21st21st16th112th79th75th23rd25th14th53rd31st36th28th31st16th15th25th15th
42nd42nd39th8th40th18th63rd147th15th40th
46th27th14th28th39th48th49th28th506th26th28th67th59th16th20th30th20th9th20th10th20th
Ordinal Numbers
13th
69th
19th
14th
36th
56th226th
20th
14th
493rd
66th
20th
Pangram Grep
75th
47th
38th
53rd
69th251st
50th
268th
112th
43rd
Partition Numbers
5th8th17th16th15th15th16th35th25th
15th10th14th31st
16th16th14th10th11th7th7th
25th19th17th6th11th9th27th53rd6th15th
19th13th6th11th25th20th19th11th160th15th12th39th25th11th11th13th6th7th11th
16th
Pascal’s Triangle
9th13th28th23rd18th18th28th131st69th64th19th18th14th54th22nd27th23rd22nd14th15th17th15th
45th27th66th10th67th17th57th231st15th41st
45th25th14th88th55th56th52nd22nd720th27th65th101st61st18th12th30th12th12th20th9th18th
Pernicious Numbers
17th26th37th27th28th31st37th139th84th90th31st24th34th54th26th46th39th39th25th24th25th24th
57th41st53rd14th57th29th70th188th13th61st49th53rd45th22nd38th60th63rd74th31st647th28th65th120th75th29th15th48th23rd17th33rd11th32nd
Pernicious Numbers (Long)
7th16th20th17th17th17th19th62nd45th48th20th20th12th49th19th30th25th19th15th14th24th13th
28th25th21st6th41st19th49th88th11th31st
26th23rd13th24th25th31st27th20th318th17th26th62nd41st12th15th22nd12th11th15th6th17th
Poker
155th
Polyominoes
7th8th13th11th8th12th14th17th16th
11th5th
30th7th10th11th11th8th11th8th11th
17th13th8th7th13th8th16th38th8th12th
12th14th6th10th23rd13th12th8th121st11th7th26th17th11th11th20th5th
10th
11th
Prime Numbers
33rd27th42nd46th22nd28th53rd279th135th130th31st17th34th63rd17th45th39th40th19th21st34th22nd
63rd53rd123rd18th114th25th113th406th20th73rd65th103rd46th12th31st86th119th111th41st1,202nd37th101st183rd125th31st6th57th17th20th33rd11th29th
Prime Numbers (Long)
21st20th34th18th24th25th22nd162nd92nd103rd23rd27th17th57th18th38th33rd33rd21st20th34th19th
51st34th63rd13th81st21st92nd201st24th48th
56th32nd16th21st39th56th43rd30th617th31st43rd94th78th15th18th36th12th11th22nd10th29th
Proximity Grid
5th
19th
29th
12th
8th
12th
20th43rd
12th
10th
136th
26th
7th
QR Decoder
38th
128th
Recamán
13th13th20th15th12th17th23rd76th53rd57th19th10th14th45th18th26th18th15th11th9th12th9th
32nd16th30th11th26th13th47th141st15th29th
36th21st9th18th31st32nd39th21st456th19th18th57th46th14th6th18th9th9th18th10th18th
Reverse Polish Notation
33rd
111th
16th
11th
204th
50th
Reversi
100th
Rijndael S-box
7th31st16th19th9th14th24th73rd64th32nd14th9th15th34th6th23rd17th16th5th17th10th14th
18th21st8th8th11th11th29th61st7th17th
19th17th7th13th15th20th25th11th176th12th5th33rd28th22nd17th13th6th10th12th
11th
Rock-paper-scissors-Spock-lizard
8th
32nd
35th
17th
5th
23rd
26th130th
15th
11th
332nd
47th
13th
Roman to Arabic
14th
45th
18th
12th
25th
42nd145th
18th
356th
61st
18th
Rule 110
5th
14th10th9th11th
73rd43rd31st14th10th7th38th14th26th21st11th11th11th10th8th
27th13th27th
20th11th39th107th9th27th
32nd16th10th13th21st25th34th17th317th13th14th54th38th12th10th14th11th
13th8th11th
Seven Segment
55th
17th
8th
29th
41st149th
17th
13th
23rd
432nd
52nd
15th
SI Units
4th
14th
6th
5th
11th
13th34th
10th
7th
101st
19th
7th
Sierpiński Triangle
7th
18th14th15th15th27th82nd47th43rd16th12th12th43rd15th28th23rd18th12th13th11th12th
34th15th33rd
23rd13th39th130th12th32nd
37th25th10th16th38th41st45th17th414th19th34th56th46th11th12th26th10th
17th8th17th
Smith Numbers
9th14th18th12th14th15th21st52nd41st39th14th9th13th36th10th21st20th16th9th6th16th10th
24th11th21st9th25th11th36th82nd8th24th
19th17th10th13th23rd24th24th18th271st14th12th53rd34th16th4th17th9th9th12th6th12th
Spelling Numbers
7th
37th
11th
5th
19th
38th112th
11th
8th
267th
35th
11th
Star Wars Opening Crawl
5th
28th
32nd
7th
4th
13th
16th42nd
9th
7th
161st
33rd
7th
Sudoku
28th
4th
11th
16th58th
8th
8th
164th
24th
6th
Sudoku (Fill-in)
21st
4th
10th
20th42nd
7th
130th
25th
5th
Taxicab Numbers
6th7th13th8th7th10th10th21st16th
7th5th7th20th
14th13th9th7th8th6th7th
14th12th11th3rd13th8th19th29th8th12th
13th10th4th6th16th11th12th8th101st9th6th30th17th8th10th9th6th4th8th
9th
Ten-pin Bowling
22nd
59th
72nd
Tic-tac-toe
5th
22nd
17th
8th
16th
22nd65th
9th
9th
196th
37th
8th
Time Distance
61st
10th
8th
188th
30th
7th
Tongue-twisters
16th33rd22nd23rd12th18th33rd73rd66th52nd16th13th15th47th15th31st23rd22nd26th9th16th16th
29th13th20th12th19th10th50th182nd10th37th
41st24th10th18th34th40th60th25th465th22nd12th59th47th20th25th24th10th15th21st11th13th
Tower of Hanoi
7th15th20th17th13th17th15th51st29th
16th27th15th43rd
18th23rd17th20th14th16th12th
43rd31st12th8th13th10th36th63rd7th15th
43rd14th25th15th23rd45th30th21st154th14th11th33rd30th15th14th17th8th8th13th
16th
Trinomial Triangle
5th10th16th15th12th12th13th25th21st
12th8th10th29th
15th16th13th13th9th8th8th
19th15th12th6th13th9th23rd44th6th16th
15th14th6th10th17th17th16th10th146th13th13th34th19th11th10th14th8th7th11th
12th
United States
8th
45th
38th
16th
7th
37th
39th175th
18th
12th
396th
50th
17th
Vampire Numbers
14th14th12th7th10th12th22nd54th43rd35th11th9th19th39th11th16th15th9th9th6th12th8th
24th12th19th10th16th11th29th75th8th25th
24th16th6th10th18th20th31st17th271st11th8th47th30th15th6th17th6th9th12th4th9th
Van Eck Sequence
8th17th23rd13th12th15th21st62nd47th44th17th12th17th42nd16th24th21st17th10th10th14th8th
28th24th23rd9th32nd12th38th109th12th28th
29th19th11th16th30th30th32nd19th346th19th15th53rd40th16th8th18th11th8th15th12th19th
Zodiac Signs
28th
11th
19th51st
151st
28th
13th
γ
5th23rd26th29th20th6th37th50th35th36th9th8th
30th9th13th23rd24th7th5th11th24th19th27th10th6th8th18th10th32nd60th19th77th
24th22nd8th23rd23rd13th26th22nd103rd15th11th37th26th21st26th22nd17th7th7th5th11th
λ
12th22nd36th49th21st6th59th62nd41st39th9th9th22nd48th14th11th23rd26th8th7th10th20th24th30th16th17th13th22nd11th41st105th20th46th
38th35th8th28th34th22nd43rd26th161st16th18th38th43rd30th13th31st22nd6th10th6th15th
π
13th40th37th74th25th15th81st105th79th60th15th10th23rd47th21st12th43rd35th11th11th12th22nd32nd42nd24th35th14th47th7th84th223rd21st130th
47th53rd6th25th83rd27th69th34th525th20th36th57th61st28th10th56th22nd7th9th6th11th
τ
12th23rd22nd35th22nd8th53rd53rd44th33rd15th9th20th41st19th11th25th22nd11th8th12th18th19th33rd21st20th12th38th7th56th116th16th94th
32nd25th6th21st60th20th45th22nd298th16th22nd44th35th25th10th26th20th6th9th6th11th
φ
13th21st22nd42nd23rd8th51st52nd46th33rd15th13th21st48th34th16th25th32nd17th9th14th17th21st43rd25th31st11th43rd8th48th98th13th92nd
34th26th6th21st55th22nd47th26th375th16th26th57th37th24th10th31st20th6th12th6th12th
√2
20th26th24th44th23rd7th50th64th54th37th15th14th19th53rd18th16th29th26th10th10th15th16th22nd49th20th31st11th39th8th71st116th15th83rd
33rd33rd6th22nd61st18th51st28th548th16th22nd55th42nd26th10th37th21st6th14th6th11th
𝑒
14th31st41st61st23rd11th65th80th60th50th15th15th20th51st19th16th36th30th13th11th14th23rd25th43rd20th34th15th47th10th56th121st19th101st
39th41st6th28th66th26th54th35th430th45th32nd71st55th26th9th42nd24th7th11th7th14th