12 Days of Christmas
13th19th28th19th16th44th170th153rd125th11th19th14th44th38th26th24th18th23rd14th14th11th
68th21st44th11th24th16th125th374th11th40th
70th30th12th18th47th89th145th17th1,171st25th35th100th96th16th16th52nd14th13th22nd11th14th
24 Game
5th13th11th6th12th18th33rd30th26th13th7th8th31st8th15th11th10th10th9th8th9th
14th12th10th7th9th7th22nd60th6th17th
15th14th6th9th16th17th19th10th151st13th4th27th22nd9th16th11th5th10th11th
12th
99 Bottles of Beer
16th20th34th20th15th47th173rd164th113th12th14th14th41st23rd22nd22nd25th20th16th14th14th
66th21st42nd15th19th13th133rd486th11th34th
69th27th15th16th46th81st152nd18th1,114th25th40th98th80th15th17th43rd15th12th16th12th12th
Abundant Numbers
20th32nd30th25th23rd36th233rd156th144th22nd22nd27th49th21st42nd29th35th24th20th19th16th
79th35th94th13th34th23rd147th346th16th67th51st69th32nd15th30th47th76th90th26th1,153rd27th33rd118th116th24th20th46th12th16th28th12th23rd
Abundant Numbers (Long)
12th30th24th22nd22nd19th121st78th100th24th22nd15th64th18th33rd27th36th19th16th18th15th
46th34th55th9th21st22nd103rd171st17th49th
51st26th14th18th33rd50th38th21st558th26th23rd72nd69th12th18th28th12th11th20th10th23rd
Arabic to Roman
12th
66th
17th
15th
39th
57th195th
18th
514th
62nd
14th
Arithmetic Numbers
10th27th17th16th23rd
93rd59th72nd20th18th10th48th13th22nd20th26th13th14th18th14th
35th17th24th9th
16th48th133rd12th31st
40th21st12th18th21st30th28th16th475th24th13th55th45th9th13th18th8th9th15th
18th
Arrows
50th
17th
15th
25th
42nd140th
17th
19th24th
16th
356th
43rd
22nd
Ascending Primes
8th16th15th10th16th17th48th38th39th17th14th16th34th11th16th17th16th7th10th13th9th
24th18th17th8th16th9th36th67th11th20th24th15th15th7th11th19th21st19th13th263rd16th14th46th24th12th15th16th7th9th14th
13th
ASCII Table
13th25th21st17th18th38th128th71st70th13th15th9th46th14th22nd20th17th12th6th
15th
38th20th18th10th19th14th47th127th16th30th23rd35th22nd11th15th24th40th41st21st458th17th
57th53rd13th6th22nd10th
11th7th12th
Billiards
6th
11th
12th
7th
14th
35th
9th
22nd
8th
brainfuck
Catalan Numbers
23rd16th9th8th14th24th35th45th32nd23rd19th12th54th22nd28th23rd22nd21st16th20th9th
33rd29th45th11th41st8th44th110th8th48th
17th13th10th10th31st23rd41st22nd432nd12th26th69th28th13th7th13th17th10th16th5th10th
Catalan’s Constant
8th24th25th17th5th36th42nd34th32nd10th7th13th34th10th12th23rd20th10th7th11th15th16th14th9th12th7th18th7th37th61st16th67th
23rd22nd6th20th24th15th27th22nd170th14th13th29th30th24th6th24th16th6th8th4th9th
Christmas Trees
13th17th19th14th16th55th126th120th60th13th11th11th45th16th61st21st21st12th14th13th11th
41st19th40th11th20th16th78th291st14th37th
55th24th11th16th48th67th78th16th850th17th36th99th69th11th15th31st12th
35th9th17th
Collatz
20th40th27th23rd28th22nd251st119th159th22nd24th17th55th21st28th31st35th20th17th21st19th
50th37th68th12th26th25th110th277th19th53rd
47th26th19th21st36th65th56th28th852nd30th23rd80th99th16th7th37th17th15th23rd11th27th
CSS Colors
11th
43rd
33rd
18th
11th
22nd
31st174th
16th
48th
297th
41st
12th
Cubes
7th14th11th9th15th27th59th51st32nd13th6th8th38th11th20th14th12th9th7th8th10th
25th9th18th
15th7th42nd107th8th27th
27th15th5th10th23rd23rd39th14th389th14th14th44th40th10th11th17th7th
13th7th9th
Day of Week
46th
263rd
Diamonds
11th19th12th11th17th39th98th74th59th13th12th10th47th12th76th16th19th11th8th14th12th
49th24th38th9th22nd12th60th173rd14th36th
43rd21st9th16th30th45th53rd17th595th15th26th94th44th10th12th23rd11th
17th9th9th
Divisors
27th35th73rd22nd27th38th329th169th129th22nd25th19th67th37th46th29th34th26th21st20th23rd
87th34th127th16th67th23rd170th601st20th62nd
118th37th17th33rd75th142nd105th25th1,516th31st70th178th129th17th18th58th21st12th28th13th29th
Emirp Numbers
15th24th14th11th17th37th97th58th44th17th15th31st45th11th29th23rd21st15th11th25th10th
33rd17th59th13th37th10th38th183rd12th37th33rd36th22nd7th16th41st60th46th25th754th20th61st122nd52nd29th8th25th11th19th18th6th13th
Emirp Numbers (Long)
9th19th15th12th16th19th56th47th39th15th15th11th42nd14th21st19th19th12th9th20th7th
25th19th27th7th21st11th37th97th10th23rd
27th15th8th13th21st30th22nd15th338th17th24th50th39th11th11th17th11th8th13th5th17th
Emojify
10th
54th
18th
9th
26th
37th166th
19th
11th
364th
35th
12th
Evil Numbers
26th32nd25th23rd25th42nd237th135th121st25th23rd32nd55th36th48th36th31st18th16th24th19th
62nd42nd85th17th71st17th108th365th15th63rd61st55th35th13th31st65th113th97th33rd1,268th27th67th179th116th30th9th47th19th19th28th11th22nd
Evil Numbers (Long)
14th31st25th20th23rd18th130th88th86th24th25th15th52nd29th38th29th30th15th13th25th16th
44th37th44th9th42nd17th67th166th15th39th
40th27th16th27th35th51st47th28th598th24th26th69th71st14th18th30th20th8th21st10th18th
Factorial Factorisation
7th20th20th18th9th21st49th29th
10th10th
33rd9th12th18th18th9th5th18th14th14th19th10th12th7th14th8th35th75th13th23rd
15th19th5th17th17th15th21st14th192nd13th9th48th29th15th18th18th11th
7th4th7th
Farey Sequence
5th22nd18th12th22nd15th56th32nd40th20th19th12th43rd17th19th21st21st14th15th12th11th
25th16th20th6th13th15th28th75th11th23rd
25th20th11th18th22nd26th23rd16th229th16th13th42nd35th11th15th20th10th10th16th
16th
Fibonacci
95th77th176th63rd60th69th600th331st317th46th52nd36th84th83rd85th85th75th44th60th35th46th
218th78th211th35th72nd49th332nd867th28th135th64th227th92nd43rd79th120th236th193rd53rd2,095th71st176th277th265th25th82nd116th46th36th75th46th57th
Fizz Buzz
128th80th204th56th47th123rd757th543rd
30th53rd35th73rd108th79th83rd74th64th99th32nd53rd
254th77th249th83rd88th41st593rd1,597th32nd150th54th278th102nd53rd66th223rd408th373rd56th3,072nd74th155th363rd372nd34th96th168th49th21st70th
62nd
Foo Fizz Buzz Bar
12th35th38th23rd22nd24th127th133rd107th20th18th15th56th20th28th32nd26th17th13th17th22nd
61st30th48th11th22nd17th150th316th18th47th
55th26th16th19th47th79th91st29th887th31st31st67th69th16th24th28th18th11th22nd11th21st
Forsyth–Edwards Notation
34th
137th
Fractions
20th
19th
29th
64th171st
36th
19th
568th
103rd
15th
Game of Life
76th
13th
194th
30th
Gijswijt’s Sequence
8th13th14th7th15th19th21st25th23rd15th12th12th34th9th15th15th15th10th9th11th9th
18th15th14th8th13th11th21st54th11th18th
13th20th6th10th16th15th16th12th161st14th9th35th22nd15th12th16th8th8th15th
15th
Happy Numbers
16th30th18th15th19th34th107th68th52nd17th13th31st45th15th32nd23rd21st15th17th22nd18th
56th30th66th13th36th15th45th183rd15th39th44th39th25th11th17th44th47th55th27th630th21st38th88th59th29th9th34th14th19th23rd7th17th
Happy Numbers (Long)
8th26th18th18th21st18th76th47th44th18th16th13th41st16th28th24th20th12th7th13th16th
40th32nd41st11th28th15th42nd115th14th31st
32nd20th11th20th33rd31st30th20th390th21st23rd62nd38th13th6th20th14th9th16th7th20th
Hexdump
12th
33rd
37th
7th
17th
26th51st
12th
10th
192nd
40th
8th
Hilbert Curve
4th12th12th6th10th
18th21st
9th4th7th23rd
13th12th11th5th9th6th11th
15th10th8th
8th5th19th40th6th10th
12th12th4th6th12th12th13th8th96th10th6th21st16th9th9th9th6th12th10th
8th
Intersection
42nd
14th
9th
22nd
41st136th
20th
14th
326th
45th
16th
Inventory Sequence
8th27th22nd14th18th20th53rd38th45th20th13th11th44th14th24th21st18th9th11th12th11th
22nd18th20th7th17th13th31st85th15th22nd
26th20th12th15th28th27th25th17th252nd17th14th46th32nd12th11th15th12th9th16th7th17th
ISBN
66th
12th
15th
24th
44th131st
24th
16th
374th
47th
14th
Jacobi Symbol
9th
38th
49th
17th
13th
158th
33rd
10th
Kaprekar Numbers
5th14th13th9th14th13th42nd25th
14th6th13th28th
15th15th12th5th10th7th8th
23rd11th8th5th12th8th27th60th5th18th12th17th12th3rd10th14th16th16th10th119th11th5th30th24th12th11th12th6th9th11th
13th
Kolakoski Constant
8th22nd29th19th6th33rd37th26th26th11th7th16th33rd11th12th19th19th10th6th11th17th22nd16th12th14th8th19th8th34th64th15th31st
26th23rd6th20th31st17th33rd22nd151st13th14th37th33rd25th8th26th19th8th9th4th11th
Kolakoski Sequence
18th19th20th10th16th34th62nd40th39th13th11th12th39th15th22nd20th19th9th9th13th11th16th31st17th38th10th26th9th39th123rd12th29th
28th18th9th18th33rd24th28th17th324th15th14th54th41st23rd9th19th10th7th14th9th19th
Leap Years
27th38th64th23rd27th33rd294th165th124th25th23rd23rd51st32nd45th35th36th26th33rd26th20th
83rd30th94th13th34th21st174th483rd19th59th
102nd49th22nd39th67th136th140th29th1,128th33rd59th123rd127th16th35th55th23rd15th32nd16th27th
Levenshtein Distance
38th
19th
28th82nd
166th
29th
Leyland Numbers
7th20th9th8th14th23rd39th48th34th14th15th11th49th12th19th18th13th14th6th15th8th
23rd18th40th11th31st15th38th120th15th35th
28th12th9th10th25th31st37th20th390th16th16th54th38th13th15th18th10th10th18th7th14th
ln 2
10th21st29th17th6th27th32nd33rd33rd13th10th
46th12th15th22nd23rd11th10th14th16th16th21st15th16th5th18th6th38th74th14th53rd
24th20th4th18th41st12th27th20th242nd17th11th43rd24th21st19th21st15th5th9th4th9th
Look and Say
9th17th15th11th17th28th52nd49th41st21st17th14th40th14th32nd20th15th15th6th15th11th
27th20th34th9th17th11th41st152nd15th29th
37th22nd11th14th50th42nd37th20th418th19th22nd70th36th29th7th17th11th10th17th9th12th
Lucky Numbers
7th17th10th10th18th17th47th34th31st16th7th14th41st15th20th18th14th10th8th11th11th
61st17th30th10th15th11th27th85th9th20th
23rd17th9th12th22nd24th24th13th260th19th11th34th31st15th6th15th9th9th14th6th10th
Lucky Tickets
9th
28th
36th
12th
7th
18th
22nd62nd
15th
10th
178th
32nd
9th
Mandelbrot
4th15th12th7th12th
28th24th
13th7th9th27th
16th14th14th6th11th9th10th
21st10th7th
11th8th22nd48th7th18th
18th16th8th11th15th15th13th10th135th12th8th31st22nd10th11th11th6th7th11th
14th
Maze
132nd
Morse Decoder
29th
13th
6th
17th
26th90th
14th
8th
255th
39th
11th
Morse Encoder
43rd
6th
19th
26th104th
10th
16th
285th
43rd
12th
Musical Chords
7th
43rd
13th
8th
15th
16th43rd
13th
7th
115th
24th
7th
N Queens
4th12th12th8th13th13th27th25th
13th10th9th29th9th13th12th9th7th10th10th10th
18th11th13th4th11th9th22nd48th9th16th
16th15th4th11th10th14th16th13th146th12th8th26th17th12th12th12th6th8th10th
11th
Niven Numbers
25th36th52nd22nd33rd35th176th119th91st29th21st32nd58th23rd48th38th39th27th18th22nd23rd
60th43rd89th
46th29th103rd344th19th64th54th70th44th23rd35th57th82nd86th31st914th28th58th129th86th27th21st47th23rd16th33rd16th29th
Niven Numbers (Long)
10th28th22nd20th25th18th86th71st74th25th22nd14th53rd17th34th27th26th21st15th23rd19th
42nd36th37th8th25th21st65th147th15th41st
50th29th18th25th35th47th47th26th481st25th31st76th49th14th21st31st19th10th22nd9th23rd
Number Spiral
6th18th8th10th17th20th61st41st35th14th11th10th41st11th18th23rd18th17th4th10th10th
23rd15th14th9th36th12th31st79th10th20th36th21st16th6th9th21st26th24th16th256th16th12th38th28th13th5th17th8th
13th6th9th
Odious Numbers
23rd33rd26th24th22nd36th187th105th94th26th24th31st53rd37th45th33rd31st17th18th24th19th
59th40th72nd
60th17th93rd307th15th57th59th54th36th13th35th58th92nd86th34th925th30th60th135th94th30th9th47th17th18th29th10th20th
Odious Numbers (Long)
12th32nd25th20th21st16th109th75th71st23rd24th15th52nd30th35th27th29th15th13th25th16th
41st37th38th9th38th17th62nd138th14th39th
45th27th14th27th35th47th47th28th487th26th26th63rd55th14th18th30th19th8th21st9th18th
Ordinal Numbers
13th
70th
20th
15th
34th
52nd215th
21st
15th
475th
64th
21st
Pangram Grep
72nd
48th
37th
51st
65th242nd
50th
276th
111th
42nd
Partition Numbers
5th17th15th13th15th14th32nd26th
16th9th12th30th
16th15th15th9th11th7th7th
25th14th15th6th11th8th26th46th7th15th
20th13th6th11th24th20th17th10th140th15th11th35th24th11th10th13th7th7th12th
16th
Pascal’s Triangle
9th28th23rd17th18th27th129th69th62nd21st18th14th53rd21st26th20th21st15th15th17th16th
43rd24th66th11th66th16th53rd222nd15th40th
44th24th15th86th52nd55th50th20th699th26th64th99th59th17th12th29th13th12th21st9th17th
Pernicious Numbers
16th34th26th24th29th37th133rd79th70th28th23rd30th53rd26th44th34th34th25th18th24th23rd
52nd36th53rd13th55th27th66th177th13th49th46th48th41st18th34th57th60th70th31st634th27th63rd116th70th28th13th45th22nd16th30th10th27th
Pernicious Numbers (Long)
7th22nd16th14th17th18th59th44th46th19th21st12th48th20th30th24th20th16th12th24th14th
27th22nd22nd7th39th19th45th86th12th29th
25th24th13th22nd24th31st25th20th305th17th25th57th39th11th14th22nd11th10th14th7th17th
Poker
143rd
Polyominoes
6th12th10th5th11th14th13th16th
11th6th
26th7th12th11th10th7th10th8th11th
13th10th7th7th10th7th14th36th8th12th
11th14th6th9th11th12th11th8th109th10th6th23rd16th11th11th11th5th
11th
11th
Prime Numbers
33rd39th43rd22nd27th50th267th134th123rd29th17th31st61st16th44th36th39th18th18th30th21st
60th49th119th18th114th23rd107th396th19th71st61st100th45th12th29th83rd119th108th40th1,182nd38th98th178th119th30th6th57th17th20th32nd11th27th
Prime Numbers (Long)
21st32nd19th24th24th21st157th90th98th22nd27th15th55th16th38th31st32nd19th17th30th19th
49th32nd63rd13th80th21st87th191st26th47th
55th32nd17th19th33rd56th40th29th597th31st40th89th76th14th16th36th13th10th23rd10th27th
Proximity Grid
6th
20th
30th
13th
9th
12th
19th43rd
13th
11th
123rd
22nd
8th
QR Decoder
36th
116th
Recamán
13th24th15th11th17th23rd74th52nd53rd19th10th14th44th18th26th17th15th11th8th12th10th
29th13th31st11th25th12th42nd136th14th29th
37th21st9th18th27th32nd37th21st441st19th18th55th44th14th6th18th10th9th19th9th17th
Reverse Polish Notation
35th
108th
17th
12th
197th
50th
Reversi
91st
Rijndael S-box
7th16th19th9th14th23rd70th63rd30th14th10th14th35th7th22nd16th16th6th17th10th14th
17th19th8th8th10th9th27th61st7th17th
20th16th7th12th15th20th22nd11th160th12th7th34th27th21st16th12th8th10th13th
11th
Rock-paper-scissors-Spock-lizard
8th
31st
33rd
14th
5th
19th
24th128th
13th
10th
318th
44th
14th
Roman to Arabic
14th
42nd
19th
14th
24th
38th143rd
19th
342nd
59th
19th
Rule 110
5th14th10th9th11th
70th43rd30th14th9th7th36th15th27th19th12th8th11th10th9th
26th12th27th
18th10th35th108th10th27th
32nd17th11th12th21st23rd31st17th304th13th15th52nd36th12th10th14th11th
13th9th11th
Seven Segment
51st
16th
8th
26th
38th140th
17th
13th
22nd
420th
46th
15th
SI Units
4th
14th
7th
6th
11th
12th34th
10th
7th
94th
14th
8th
Sierpiński Triangle
7th18th14th13th15th28th82nd47th42nd16th12th11th43rd14th28th21st16th11th13th11th12th
30th14th32nd
24th11th35th124th12th31st
37th24th10th14th36th40th44th17th397th19th33rd52nd44th10th12th25th10th
18th7th15th
Smith Numbers
9th18th10th13th15th21st49th41st37th14th9th12th35th10th21st18th15th8th6th15th10th
21st10th21st10th24th10th34th77th8th24th
18th17th11th12th21st24th21st18th259th15th12th51st31st15th4th16th9th8th13th6th11th
Spelling Numbers
7th
36th
12th
6th
19th
35th108th
12th
9th
254th
33rd
12th
Star Wars Opening Crawl
5th
27th
32nd
8th
5th
11th
14th41st
10th
7th
151st
29th
6th
Sudoku
28th
4th
10th
15th54th
8th
7th
145th
21st
6th
Sudoku (Fill-in)
19th
4th
10th
18th38th
8th
116th
24th
6th
Ten-pin Bowling
21st
55th
77th
Tic-tac-toe
5th
22nd
17th
7th
15th
20th61st
10th
10th
181st
36th
9th
Time Distance
59th
11th
8th
180th
26th
8th
Tongue-twisters
16th21st23rd12th18th33rd72nd63rd51st16th13th14th44th15th30th22nd21st25th9th15th16th
29th11th19th11th20th9th48th179th10th36th
40th24th10th16th31st39th57th25th456th22nd12th57th45th20th25th24th12th15th21st8th12th
Tower of Hanoi
7th19th19th12th17th13th47th30th
17th27th16th43rd
20th22nd18th22nd15th15th13th
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16th
Trinomial Triangle
4th15th12th10th12th12th22nd23rd
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United States
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36th165th
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Vampire Numbers
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25th16th6th9th16th20th28th17th265th12th8th46th29th14th6th16th7th9th13th4th8th
Van Eck Sequence
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Zodiac Signs
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γ
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31st9th13th20th22nd10th5th11th22nd18th24th7th6th7th15th10th30th54th17th69th
23rd21st8th21st20th13th24th21st100th15th10th34th25th20th23rd20th16th7th7th5th10th
λ
13th37th49th21st5th59th61st42nd38th9th9th21st49th14th12th23rd25th9th7th10th20th25th31st12th16th12th20th11th41st102nd20th46th
37th36th8th28th33rd21st42nd27th157th16th16th35th42nd31st12th32nd22nd6th10th6th12th
π
15th36th75th24th16th80th103rd76th60th15th10th22nd47th21st15th41st34th12th11th12th22nd32nd41st22nd33rd13th42nd7th82nd219th21st125th
47th53rd5th24th79th27th67th33rd513th20th37th52nd60th29th9th56th20th7th9th6th9th
τ
13th22nd35th21st8th53rd53rd43rd33rd15th9th19th41st19th13th24th21st12th8th12th17th20th30th17th19th11th33rd7th52nd113th15th90th
32nd26th5th20th56th20th43rd23rd285th16th22nd42nd33rd24th9th27th20th6th9th6th9th
φ
13th21st42nd22nd7th51st51st45th32nd15th13th20th47th28th15th25th24th12th8th14th17th22nd42nd23rd30th10th40th7th47th95th14th88th
33rd27th5th20th53rd22nd44th27th366th16th26th52nd36th25th9th31st19th6th12th6th10th
√2
20th23rd44th22nd6th51st64th53rd37th15th14th18th50th18th15th28th25th11th9th15th16th23rd48th18th31st10th37th7th70th108th15th80th
31st34th5th21st58th18th48th29th536th16th20th49th41st26th10th37th20th6th14th6th9th
𝑒
14th42nd61st22nd10th65th78th59th52nd14th15th19th50th18th16th36th30th14th10th14th22nd26th39th17th33rd14th44th9th52nd113th19th99th
38th42nd5th27th63rd26th52nd35th415th43rd32nd68th53rd27th8th43rd22nd6th11th7th12th