12 Days of Christmas
13th18th28th19th15th44th170th152nd124th11th19th14th43rd38th26th23rd18th23rd14th14th10th
68th21st44th11th23rd16th124th375th11th39th
69th30th12th18th47th88th144th16th1,171st24th35th100th95th16th16th51st14th13th21st11th14th
24 Game
5th12th11th6th12th18th33rd31st25th13th6th8th31st8th15th10th10th10th9th8th8th
13th13th10th7th8th8th21st59th6th16th
14th14th6th8th15th17th18th9th152nd11th4th26th21st9th16th10th5th10th11th
11th
99 Bottles of Beer
16th19th33rd19th14th48th172nd163rd112th12th13th14th41st22nd21st21st24th19th15th14th13th
65th22nd42nd15th18th13th132nd485th10th33rd
68th26th14th15th45th80th151st17th1,115th24th39th97th79th15th16th42nd15th11th16th11th11th
Abundant Numbers
20th31st29th25th22nd36th233rd155th143rd22nd22nd27th48th21st42nd28th35th24th20th19th16th
79th36th94th13th33rd24th146th346th16th66th50th68th32nd15th29th47th75th89th25th1,156th26th33rd117th115th24th20th45th12th16th27th12th23rd
Abundant Numbers (Long)
12th29th24th22nd21st19th121st77th99th24th22nd15th63rd18th33rd26th35th19th16th18th15th
45th35th55th9th20th23rd102nd171st17th48th
50th26th13th18th33rd49th37th20th559th25th23rd71st68th12th18th27th12th11th19th10th24th
Arabic to Roman
11th
65th
16th
14th
38th
56th194th
17th
515th
61st
13th
Arithmetic Numbers
10th26th16th16th22nd
92nd58th71st20th17th10th48th12th21st19th25th12th13th18th13th
34th18th24th9th
16th47th132nd12th30th
39th20th11th17th20th29th27th15th478th23rd12th54th44th9th12th17th8th9th15th
18th
Arrows
49th
17th
14th
33rd
41st142nd
16th
19th25th
16th
356th
43rd
22nd
Ascending Primes
8th15th15th10th15th17th48th38th38th17th14th16th33rd11th16th16th15th7th10th13th9th
23rd19th17th8th15th10th35th68th11th19th23rd14th15th6th11th19th21st18th12th263rd15th14th45th23rd12th15th15th7th9th13th
13th
ASCII Table
13th24th20th16th18th38th129th70th69th13th14th9th46th14th21st19th17th12th6th
14th
38th21st18th10th18th15th46th128th15th29th22nd34th21st11th15th23rd40th41st20th459th16th
56th52nd13th6th22nd10th
11th6th12th
Billiards
5th
10th
11th
6th
13th
34th
8th
21st
7th
brainfuck
Catalan Numbers
23rd16th9th8th14th24th36th44th31st23rd19th12th53rd22nd28th22nd22nd21st16th20th9th
33rd29th45th11th40th9th43rd110th8th47th
17th13th10th10th31st23rd40th21st431st11th26th69th27th13th7th12th17th10th15th5th9th
Catalan’s Constant
8th23rd25th17th5th35th42nd33rd31st10th7th13th34th10th12th22nd20th10th7th11th15th15th14th10th12th7th18th7th36th61st16th66th
23rd21st6th20th24th15th27th21st171st13th13th29th29th24th6th23rd16th6th8th4th9th
Christmas Trees
13th16th18th13th16th56th125th119th59th13th10th11th45th15th60th20th20th11th13th13th10th
40th20th40th11th19th16th77th290th13th36th
54th23rd10th15th47th66th77th15th850th16th35th98th68th11th14th30th12th
34th8th17th
Collatz
20th39th28th23rd27th22nd252nd118th158th22nd23rd17th54th21st28th30th35th20th17th20th18th
50th38th68th12th25th26th109th276th19th52nd
47th26th18th20th36th64th55th27th852nd29th23rd79th98th16th7th36th17th15th22nd11th26th
CSS Colors
10th
43rd
32nd
17th
10th
22nd
31st173rd
15th
49th
298th
40th
11th
Cubes
7th13th11th9th14th26th59th50th31st13th6th8th37th11th20th13th12th9th7th8th10th
25th10th18th
14th8th41st107th8th26th
26th15th5th10th23rd23rd38th13th390th13th14th44th39th10th11th16th7th
12th7th9th
Day of Week
45th
263rd
Diamonds
11th18th12th11th16th39th98th73rd58th13th11th10th46th12th76th15th19th11th8th14th11th
49th24th38th9th21st13th59th173rd14th35th
42nd21st8th15th30th45th52nd16th595th14th26th93rd43rd10th12th22nd11th
16th9th9th
Divisors
27th34th74th22nd26th38th329th168th128th22nd24th19th66th37th46th28th34th26th21st19th22nd
87th34th127th16th67th24th169th601st20th61st
117th37th16th32nd75th141st104th24th1,515th30th70th177th128th17th18th57th21st12th27th13th29th
Emirp Numbers
15th24th14th11th16th37th98th57th43rd17th15th31st44th11th29th22nd21st15th11th25th10th
33rd17th59th13th38th11th37th184th12th36th32nd35th22nd7th16th41st59th45th24th754th19th62nd122nd51st29th8th24th11th19th17th6th14th
Emirp Numbers (Long)
9th18th15th12th15th19th56th45th37th15th15th11th41st14th21st18th18th12th9th20th7th
23rd20th27th7th22nd12th35th97th10th21st
26th15th7th13th21st28th21st14th338th16th24th50th38th11th11th16th11th8th12th5th17th
Emojify
9th
53rd
17th
8th
26th
36th165th
18th
10th
364th
35th
11th
Evil Numbers
26th33rd25th23rd25th42nd238th135th121st26th24th32nd56th36th49th36th32nd18th16th24th20th
62nd43rd86th17th72nd18th108th365th16th63rd61st55th36th13th31st66th113th97th34th1,267th27th67th178th116th31st9th47th19th19th28th11th23rd
Evil Numbers (Long)
14th30th24th20th22nd18th130th87th85th24th25th15th51st29th38th28th30th15th13th25th15th
44th38th44th9th41st18th66th166th15th38th
39th27th15th27th35th50th46th27th599th23rd26th70th70th14th18th29th20th8th20th10th19th
Factorial Factorisation
7th19th20th17th8th20th49th28th
10th9th
33rd9th12th17th17th9th5th18th13th13th19th10th12th7th14th8th34th74th13th22nd
15th18th4th17th17th15th21st13th193rd12th9th47th28th15th18th17th11th
7th4th7th
Farey Sequence
5th21st18th12th21st15th57th31st39th20th19th12th42nd17th19th20th20th14th15th12th10th
24th17th20th6th12th16th27th76th11th22nd
24th20th11th18th22nd26th22nd15th229th15th13th41st34th11th15th19th10th10th15th
17th
Fibonacci
95th76th176th63rd59th69th600th330th316th46th51st36th83rd83rd85th84th75th44th60th34th45th
218th79th211th35th72nd49th331st866th28th134th64th226th92nd43rd78th120th235th192nd53rd2,094th70th176th276th264th25th82nd115th46th36th74th46th56th
Fizz Buzz
128th79th205th57th46th123rd758th544th
30th53rd35th72nd108th79th82nd74th64th99th31st52nd
255th78th250th83rd87th41st594th1,597th33rd150th53rd277th102nd52nd65th223rd407th371st55th3,073rd73rd156th362nd371st34th96th168th49th21st69th
62nd
Foo Fizz Buzz Bar
12th34th38th23rd21st23rd127th132nd106th20th18th15th55th20th28th31st26th17th13th17th21st
61st30th48th11th21st18th149th316th18th46th
54th26th15th18th47th79th90th28th886th30th31st67th68th16th24th27th18th11th21st11th22nd
Forsyth–Edwards Notation
33rd
137th
Fractions
20th
18th
29th
64th170th
35th
18th
567th
102nd
14th
Game of Life
76th
13th
194th
30th
Gijswijt’s Sequence
8th12th14th7th14th19th21st24th22nd15th12th12th33rd9th15th14th14th10th9th11th8th
17th16th14th8th12th12th20th54th11th17th
12th20th6th10th16th15th15th11th161st13th9th34th21st15th12th15th8th8th14th
16th
Happy Numbers
16th29th18th15th18th34th107th67th51st17th13th31st44th15th32nd22nd21st15th17th22nd18th
56th31st66th13th35th16th44th183rd15th38th45th38th25th11th17th44th46th54th26th630th20th38th88th58th29th9th33rd14th19th22nd7th18th
Happy Numbers (Long)
8th25th18th18th20th18th76th46th43rd18th16th13th40th16th28th23rd20th12th7th13th16th
40th33rd41st11th27th16th41st116th14th31st
31st20th10th20th33rd30th29th19th391st20th23rd62nd37th13th6th19th14th9th15th7th21st
Hexdump
12th
32nd
36th
6th
16th
25th50th
11th
9th
192nd
39th
7th
Hilbert Curve
4th11th12th6th9th
18th20th
9th4th7th22nd
13th11th10th5th9th6th10th
14th11th8th
7th6th18th40th6th9th
11th12th4th6th12th12th12th7th96th9th6th20th15th9th9th8th6th12th9th
8th
Intersection
41st
13th
8th
22nd
40th135th
19th
13th
327th
44th
15th
Inventory Sequence
8th26th22nd14th17th20th53rd37th44th20th13th11th43rd14th24th20th17th9th11th12th10th
21st19th20th7th16th14th30th85th15th21st
25th20th11th15th28th26th24th16th252nd16th14th45th31st12th11th14th12th9th15th7th17th
ISBN
65th
13th
14th
24th
43rd131st
23rd
15th
374th
47th
13th
Jacobi Symbol
8th
38th
49th
17th
13th
158th
33rd
9th
Kaprekar Numbers
5th13th13th9th13th13th42nd24th
14th6th13th27th
15th14th11th5th10th7th8th
22nd12th8th5th11th10th26th61st5th17th11th16th12th4th10th15th15th15th9th119th10th5th29th23rd12th11th11th6th9th10th
13th
Kolakoski Constant
8th21st29th19th6th33rd37th25th25th11th7th16th33rd11th12th18th19th10th6th11th17th21st16th12th14th8th19th8th33rd64th15th30th
26th22nd6th20th31st17th33rd21st151st12th14th37th32nd25th8th25th19th8th9th4th11th
Kolakoski Sequence
18th19th21st10th16th34th63rd40th39th13th11th13th39th15th22nd20th20th9th9th13th11th16th31st17th38th10th26th9th39th124th12th29th
29th19th9th19th34th24th29th17th324th14th14th54th41st24th9th19th11th7th14th9th20th
Leap Years
27th37th65th23rd26th33rd295th164th123rd25th23rd23rd50th32nd45th34th36th26th33rd26th19th
83rd31st94th13th33rd22nd173rd484th19th58th
101st49th21st39th67th135th139th28th1,128th32nd59th122nd126th16th35th54th23rd15th31st16th27th
Levenshtein Distance
37th
19th
27th82nd
168th
28th
Leyland Numbers
7th19th9th8th13th23rd39th47th33rd14th15th11th48th12th19th17th13th14th6th15th8th
23rd19th40th11th30th16th37th120th15th34th
27th12th9th10th25th30th36th19th390th15th16th54th37th13th15th17th10th10th17th7th14th
ln 2
10th20th29th17th6th27th32nd32nd32nd13th10th
46th12th15th21st22nd11th10th14th16th15th20th16th16th5th18th6th37th73rd14th52nd
24th19th4th18th41st12th27th19th242nd16th11th42nd23rd21st19th20th15th5th9th4th9th
Look and Say
9th16th15th11th16th28th52nd48th40th21st17th14th39th14th32nd19th15th15th6th15th11th
27th21st34th9th16th12th40th152nd15th28th
36th22nd10th14th50th41st36th19th418th18th22nd69th35th29th7th16th11th10th16th9th11th
Lucky Numbers
7th16th10th10th17th17th47th33rd30th16th7th14th40th15th20th17th14th10th8th11th10th
61st18th30th10th14th12th26th86th9th19th
22nd17th8th12th22nd23rd23rd12th261st18th11th35th30th15th6th14th9th9th13th6th9th
Lucky Tickets
8th
27th
35th
11th
6th
17th
21st61st
14th
9th
178th
31st
8th
Mandelbrot
4th14th12th7th11th
27th23rd
13th7th9th27th
15th13th13th6th11th9th9th
20th11th7th
10th8th21st47th6th17th
17th15th7th10th14th14th12th9th136th11th7th30th21st10th11th10th6th7th11th
13th
Maze
132nd
Morse Decoder
28th
12th
5th
17th
25th89th
13th
7th
255th
39th
10th
Morse Encoder
42nd
5th
19th
25th103rd
9th
15th
285th
42nd
11th
Musical Chords
6th
42nd
12th
7th
14th
15th42nd
12th
6th
115th
23rd
6th
N Queens
4th11th12th8th12th13th27th24th
13th10th9th28th9th13th11th8th7th10th10th10th
17th12th13th4th10th10th21st48th9th15th
15th15th4th11th10th13th15th12th146th11th8th25th16th12th12th11th6th8th9th
11th
Niven Numbers
25th35th53rd22nd32nd35th176th118th90th29th21st32nd57th23rd48th37th39th27th19th22nd23rd
60th43rd89th
46th30th102nd345th19th63rd54th69th44th23rd35th57th81st85th30th914th27th58th128th85th27th21st46th23rd16th32nd16th30th
Niven Numbers (Long)
10th27th22nd20th24th18th86th70th73rd25th22nd14th52nd17th34th26th26th21st15th23rd19th
42nd37th37th8th24th22nd64th148th15th40th
49th30th17th25th35th47th46th25th481st24th31st76th48th14th21st30th19th10th21st9th24th
Number Spiral
6th17th8th10th16th20th61st40th34th14th11th10th40th11th18th22nd18th17th4th10th10th
23rd15th14th9th35th13th30th79th10th19th36th20th16th6th9th21st26th24th15th256th15th12th38th27th13th5th16th8th
13th6th9th
Odious Numbers
23rd33rd26th24th21st36th187th104th93rd26th25th31st52nd37th45th32nd31st17th18th24th19th
59th41st73rd
60th18th92nd307th16th56th59th53rd36th13th35th58th91st85th33rd924th29th60th134th93rd30th9th46th18th18th28th10th21st
Odious Numbers (Long)
12th31st25th20th20th16th109th74th70th23rd24th15th51st30th35th26th29th15th13th25th15th
41st38th38th9th37th18th61st138th14th38th
44th27th13th27th35th46th46th27th486th25th26th63rd54th14th18th29th19th8th20th9th19th
Ordinal Numbers
12th
69th
19th
14th
33rd
51st214th
20th
14th
475th
63rd
20th
Pangram Grep
71st
47th
36th
50th
64th241st
49th
277th
110th
41st
Partition Numbers
5th16th15th13th14th14th32nd25th
16th9th12th29th
16th14th14th9th11th7th7th
24th15th15th6th10th9th25th46th7th14th
19th13th6th11th24th19th16th9th141st14th11th34th23rd11th10th12th7th7th11th
16th
Pascal’s Triangle
9th27th23rd17th17th27th129th68th61st21st18th14th52nd21st26th19th21st15th15th17th15th
43rd24th66th11th65th17th52nd223rd15th39th
43rd24th14th86th52nd54th49th19th699th25th64th98th58th17th12th28th13th12th20th9th17th
Pernicious Numbers
16th33rd26th24th28th37th133rd78th69th28th23rd30th52nd26th44th33rd34th25th18th24th23rd
52nd36th53rd13th55th28th65th177th13th48th45th47th41st18th34th57th59th69th30th634th26th63rd115th69th28th13th44th22nd16th29th10th28th
Pernicious Numbers (Long)
7th20th16th15th16th18th59th43rd45th20th20th12th48th19th29th23rd19th15th12th24th13th
26th23rd21st7th38th19th44th85th11th28th
24th23rd12th21st23rd30th24th19th305th16th24th57th38th11th14th21st11th10th15th6th17th
Poker
143rd
Polyominoes
6th11th10th5th11th14th13th16th
11th5th
26th7th12th10th10th7th11th8th10th
13th11th7th7th9th8th14th35th8th11th
11th14th6th9th11th11th10th7th109th9th6th23rd15th11th11th10th5th
10th
11th
Prime Numbers
33rd38th44th22nd26th50th268th133rd122nd29th17th31st60th16th44th35th39th18th18th30th21st
60th50th119th18th113th24th106th396th19th70th60th99th45th12th29th83rd118th107th39th1,183rd37th98th177th118th30th6th56th17th20th31st11th28th
Prime Numbers (Long)
21st31st18th24th23rd21st157th89th97th22nd27th15th54th16th38th30th32nd19th18th30th18th
49th33rd63rd13th79th22nd86th191st26th46th
54th32nd16th19th33rd55th39th28th597th30th41st90th75th14th16th35th13th10th22nd10th28th
Proximity Grid
5th
19th
29th
12th
8th
11th
18th42nd
12th
10th
123rd
21st
7th
QR Decoder
35th
116th
Recamán
13th23rd15th11th16th23rd74th51st52nd19th10th14th43rd18th26th16th15th11th9th12th9th
29th14th31st11th24th13th41st136th14th28th
36th21st9th18th27th31st36th20th441st18th18th55th43rd13th6th17th10th9th18th9th17th
Reverse Polish Notation
34th
107th
16th
11th
197th
49th
Reversi
91st
Rijndael S-box
7th15th19th9th13th23rd70th62nd29th14th10th14th34th7th22nd15th15th6th17th10th14th
16th20th8th8th9th10th26th61st7th16th
19th16th7th12th15th19th22nd10th160th11th7th33rd26th21st16th11th8th10th12th
11th
Rock-paper-scissors-Spock-lizard
7th
31st
32nd
14th
5th
19th
23rd128th
14th
10th
319th
44th
13th
Roman to Arabic
13th
41st
18th
13th
23rd
37th142nd
18th
342nd
58th
18th
Rule 110
5th13th10th8th10th
69th42nd29th14th8th7th36th14th26th18th11th8th11th10th8th
25th13th27th
18th10th34th107th9th26th
31st16th10th11th20th23rd30th16th304th12th14th51st35th12th10th13th11th
13th8th10th
Seven Segment
50th
16th
7th
26th
37th140th
16th
12th
22nd
420th
46th
14th
SI Units
4th
13th
6th
5th
10th
11th33rd
9th
6th
94th
14th
7th
Sierpiński Triangle
7th17th14th13th14th27th82nd46th41st16th12th11th42nd14th28th20th16th11th13th11th11th
30th14th32nd
23rd12th34th124th12th30th
36th24th10th14th36th40th44th16th397th18th33rd52nd43rd10th12th24th10th
17th7th16th
Smith Numbers
9th17th10th13th14th21st50th40th36th14th9th12th34th10th21st17th15th8th6th15th10th
21st10th21st10th23rd11th33rd78th8th23rd
17th17th10th12th21st23rd20th17th259th13th12th50th30th15th4th15th9th8th12th6th11th
Spelling Numbers
6th
35th
11th
5th
18th
34th107th
11th
8th
254th
32nd
11th
Star Wars Opening Crawl
4th
26th
31st
7th
4th
10th
13th40th
9th
6th
152nd
28th
5th
Sudoku
27th
3rd
9th
14th54th
7th
7th
145th
21st
6th
Sudoku (Fill-in)
18th
3rd
9th
17th38th
7th
117th
23rd
5th
Ten-pin Bowling
20th
55th
77th
Tic-tac-toe
4th
21st
16th
6th
14th
19th60th
9th
9th
181st
35th
8th
Time Distance
59th
10th
8th
180th
26th
7th
Tongue-twisters
16th20th23rd12th18th33rd72nd63rd50th16th13th14th44th15th30th21st21st25th9th15th16th
29th11th19th11th20th10th48th179th10th35th
39th23rd10th16th31st39th57th24th456th21st12th56th44th20th25th23rd12th15th21st8th12th
Tower of Hanoi
7th18th18th11th16th13th46th29th
17th26th15th43rd
19th21st17th21st15th16th12th
38th25th11th8th11th10th35th59th7th14th
43rd15th24th14th19th42nd26th19th139th14th11th32nd28th14th15th15th10th8th13th
16th
Trinomial Triangle
4th14th13th10th11th12th22nd22nd
12th8th9th27th
15th13th12th11th9th8th8th
17th14th11th6th10th9th21st42nd7th15th
13th13th5th9th15th15th12th9th132nd11th12th30th17th9th10th13th9th7th11th
12th
United States
8th
44th
36th
16th
7th
34th
35th164th
18th
12th
379th
46th
16th
Vampire Numbers
12th10th6th9th11th22nd52nd43rd31st12th9th17th37th11th18th12th9th8th5th12th8th
24th11th19th11th17th11th27th78th8th22nd
24th16th6th9th16th19th27th16th265th10th8th46th28th14th6th15th7th9th12th4th8th
Van Eck Sequence
8th22nd13th11th14th21st61st47th43rd18th12th16th41st15th24th19th17th10th10th14th8th
27th19th23rd10th29th12th35th106th12th28th
28th19th11th16th29th30th29th18th340th17th15th49th38th16th8th16th11th8th15th10th18th
Zodiac Signs
26th
11th
17th51st
140th
25th
12th
γ
5th26th28th18th5th36th47th34th33rd9th6th
31st9th13th19th22nd10th5th11th22nd17th23rd8th6th7th15th10th29th54th17th68th
23rd20th8th21st20th13th24th20th100th14th10th33rd24th20th23rd19th16th7th7th5th10th
λ
13th37th49th21st5th59th61st41st37th10th9th21st49th14th12th22nd25th10th7th10th20th24th31st13th16th12th20th11th40th102nd20th45th
37th35th8th28th33rd21st42nd26th157th15th16th35th42nd31st12th31st22nd6th10th6th13th
π
15th35th75th24th16th80th103rd75th59th15th10th22nd47th21st15th40th34th12th11th12th22nd31st41st22nd33rd13th43rd7th81st219th21st124th
47th52nd5th24th80th27th67th32nd514th19th37th53rd59th29th9th55th20th7th9th6th9th
τ
13th21st35th21st8th53rd53rd42nd32nd15th9th19th41st19th13th23rd21st12th8th12th17th19th30th18th19th11th34th7th51st113th15th89th
32nd25th5th20th57th20th43rd22nd286th15th22nd42nd32nd24th9th26th20th6th9th6th9th
φ
13th20th42nd22nd7th50th51st44th31st15th13th20th47th28th15th24th24th12th8th14th17th21st42nd24th30th10th40th8th46th95th14th87th
33rd26th5th20th53rd22nd44th26th366th15th26th52nd35th25th9th30th19th6th12th6th10th
√2
20th22nd44th22nd6th50th64th52nd36th15th14th18th50th18th15th27th25th11th9th15th16th22nd48th19th31st10th37th8th69th108th15th79th
31st33rd5th21st58th18th48th28th536th15th20th49th40th26th10th36th20th6th14th6th9th
𝑒
14th41st61st22nd10th65th78th58th51st14th15th19th50th18th16th35th30th14th10th14th23rd25th39th18th33rd14th44th9th51st113th19th98th
38th41st5th27th63rd26th52nd34th415th42nd32nd68th53rd27th8th42nd22nd6th11th7th12th