12 Days of Christmas
9th13th77th98th41st
16th
27th31st15th10th7th16th
30th
13th54th245th
19th
7th31st18th
7th28th38th
276th7th25th7th67th25th
9th
9th10th11th8th9th
24 Game
5th
13th9th7th
17th
5th
3rd
2nd
8th33rd
9th
4th5th5th
2nd3rd
70th3rd
14th8th
2nd
2nd
2nd
99 Bottles of Beer
6th
6th19th76th107th46th
27th
15th11th14th
28th
77th342nd
20th
5th29th13th
7th
245th11th
8th76th29th
25th
6th
6th6th
Abundant Numbers
14th16th21st22nd16th11th14th149th39th57th13th15th24th31st19th32nd16th22nd18th15th19th
21st
13th
78th
17th69th264th
34th
14th21st14th14th17th36th40th
15th140th11th27th12th102nd4th
27th
14th10th15th10th
Abundant Numbers (Long)
10th
19th14th15th11th8th83rd21st47th14th17th7th31st14th24th17th21st
12th
11th
16th
18th43rd126th
26th
13th18th14th
8th25th32nd
113th13th18th8th55th1st
20th
11th7th11th9th
Arabic to Roman
8th
11th
27th72nd
24th
13th
9th
104th25th
18th
6th
Arithmetic Numbers
13th8th10th5th
54th19th35th15th
5th34th6th14th10th13th
6th
12th
5th
10th19th74th
14th
15th16th9th
10th13th18th
143rd11th9th5th35th3rd
12th
7th5th7th11th
Arrows
4th
20th
12th
9th
7th13th
69th
15th
7th
Ascending Primes
5th
4th7th8th32nd11th20th11th12th11th24th9th9th8th9th
3rd
4th
14th
5th13th44th
11th
9th7th7th
3rd8th11th
94th6th11th
31st10th
8th
6th
5th5th
ASCII Table
6th14th17th15th16th11th20th
15th
32nd13th12th
10th6th11th
16th25th17th
11th41st122nd
23rd
13th24th15th9th4th17th27th
202nd6th18th9th52nd43rd
13th
11th7th6th9th10th
Billiards
5th
65th
3rd
brainfuck
8th
28th
13th
7th
159th
22nd
6th
Card Number Validation
8th
13th
11th
83rd
14th
8th
Catalan Numbers
5th7th
37th16th
23rd
24th
30th
10th9th6th
19th9th
178th
44th13th
4th
7th
6th
Catalan’s Constant
6th10th
9th3rd3rd9th10th15th9th10th6th9th19th9th
6th
7th
12th
5th
7th24th65th6th48th
3rd4th4th5th3rd8th6th
77th4th9th3rd
7th
24th
5th8th5th5th4th3rd14th
Christmas Trees
12th
9th28th85th75th36th
31st
23rd13th15th
13th
28th182nd
19th
13th39th16th
9th35th41st
215th9th31st6th76th31st
21st
9th
12th11th
Collatz
29th22nd16th16th16th153rd49th91st16th14th7th43rd14th20th18th20th
12th
13th
33rd
19th57th222nd
27th
13th30th14th
7th27th47th
519th18th18th8th63rd29th
21st
7th6th20th10th
CSS Colors
6th
26th
4th
9th
11th
4th
37th
81st
6th
6th
4th
Cubes
5th21st
26th
10th
13th
4th15th7th
2nd
158th4th
18th
4th
Day of Week
8th
40th
22nd
8th
19th
7th
239th
44th10th
3rd
DFA Simulator
4th
29th
8th
7th
5th
91st
17th9th
3rd
Diamonds
10th
8th28th62nd31st32nd
35th
29th
14th
18th
33rd110th
22nd
8th29th12th
8th
256th3rd
4th60th25th
12th
8th
5th8th
Divisors
27th66th17th15th29th184th110th74th
18th9th45th16th33rd21st23rd
19th
13th
47th
16th95th416th
37th
9th87th12th
26th59th96th
452nd16th65th7th146th1st
37th
17th10th7th11th
Emirp Numbers
9th11th12th13th16th7th15th72nd35th26th17th19th30th30th29th27th18th18th10th20th23rd
13th
17th
10th31st203rd
28th
16th30th14th6th14th36th61st
140th8th68th10th117th16th
17th
15th
11th9th
Emirp Numbers (Long)
7th
7th
7th6th7th37th13th22nd9th10th4th26th7th11th8th9th
4th
7th
13th
7th14th66th
16th
10th13th7th
4th11th17th
80th7th20th4th38th6th
8th
6th
3rd4th
Emojify
5th
20th
12th
7th
9th
13th
8th17th4th
14th
69th
10th
29th16th
7th
5th
Evil Numbers
18th22nd20th24th22nd14th26th186th99th51st24th16th32nd31st22nd39th23rd19th13th23rd22nd
21st
28th
88th
16th42nd367th
29th
9th25th19th12th13th47th106th
21st112th14th57th12th158th38th11th
22nd25th
14th11th16th11th
Evil Numbers (Long)
12th
21st16th13th13th7th94th54th47th18th16th8th29th20th30th18th19th
11th
13th
22nd
36th
14th25th130th
22nd
8th21st14th
6th24th36th
32nd10th22nd7th53rd17th11th
16th13th
10th7th11th11th
Factorial Factorisation
5th
6th3rd
5th6th28th11th15th
5th
18th
8th
6th
13th
7th
3rd12th39th
8th
7th8th6th
2nd3rd8th
41st
6th4th27th8th
6th
4th
3rd3rd
Farey Sequence
14th10th9th14th
39th19th27th13th16th5th28th12th11th12th13th
8th
7th
13th
12th14th55th
13th
9th15th9th
9th12th14th
85th8th10th
28th16th
11th
7th3rd6th5th
Fibonacci
70th34th63rd97th48th29th23rd365th181st135th36th27th37th58th45th57th43rd51st
46th
42nd
118th
27th165th573rd
67th
31st1st38th
39th84th147th
741st34th128th20th193rd125th
66th
34th21st38th26th
Fizz Buzz
121st36th56th159th34th30th94th471st426th224th21st38th25th52nd72nd52nd51st55th48th55th
30th
123rd
32nd400th1,386th
60th
35th204th56th36th32nd193rd280th
1,386th40th116th15th291st87th
121st
32nd28th30th14th
Foo Fizz Buzz Bar
24th32nd16th16th18th91st105th54th14th13th8th43rd14th18th21st18th11th11th
8th
35th
13th90th254th
30th
14th29th15th11th9th39th61st
515th16th28th8th52nd16th
15th
12th7th12th8th
Forsyth–Edwards Notation
8th
25th
10th
9th
7th13th
80th6th
8th
5th
Fractions
9th
34th
17th
21st
12th23rd15th
6th
120th7th
18th
6th
7th
9th
Game of Life
6th
25th
11th
8th
11th
7th14th
92nd4th
8th
6th
4th
3rd
Gijswijt’s Sequence
6th
9th15th
24th
12th
12th
8th
85th6th
11th
9th
9th
Happy Numbers
9th12th19th17th18th12th20th88th43rd32nd18th18th30th26th26th29th
11th10th
20th
15th
24th
14th36th201st
19th
16th35th21st9th11th45th45th
15th110th8th
10th92nd37th
19th
11th5th22nd12th
Happy Numbers (Long)
5th11th16th
11th12th9th54th24th23rd14th11th
28th12th19th
11th
12th
12th
21st92nd
16th
11th25th11th
7th24th19th
137th12th
53rd22nd
13th
7th
15th8th
Hexdump
8th
28th
6th
113th
2nd
Intersection
7th
37th
15th
10th
281st7th
25th
8th
Inventory Sequence
12th
8th15th32nd17th27th11th6th
29th8th15th
7th
13th
13th56th
13th
8th13th8th
5th19th15th
121st7th9th
32nd13th
5th
5th4th
ISBN
12th
17th10th
50th49th30th
10th10th30th20th
11th
15th
26th95th
17th
10th28th9th
7th
107th8th
11th
8th
9th7th
Jacobi Symbol
7th
25th
27th
12th
7th
108th
10th
5th
Kaprekar Numbers
6th
11th
55th
6th
Kolakoski Constant
8th9th
8th4th3rd8th
13th12th11th7th13th24th10th11th
6th
6th
17th
5th
8th28th
8th8th4th5th4th9th7th
103rd3rd9th3rd31st6th
26th
5th8th7th5th4th5th14th
Kolakoski Sequence
13th20th41st23rd26th
7th
29th8th17th
11th
13th
23rd81st
18th
9th13th9th
7th
162nd5th
39th20th
9th
12th12th
Leap Years
22nd
24th50th13th13th16th170th54th48th18th16th15th37th26th35th19th19th17th18th
12th16th9th19th
14th31st298th
25th
10th26th16th14th14th38th62nd119th
340th10th52nd7th93rd30th9th
28th20th
11th9th13th13th
Levenshtein Distance
13th
5th
30th
14th
7th12th23rd
121st
15th
11th
17th
8th
Leyland Numbers
10th
8th8th
34th
8th
19th
10th17th
170th5th
44th19th
4th
8th
ln 2
9th7th
3rd3rd8th
14th12th
9th8th31st11th
8th
11th
5th
6th26th
35th
11th7th4th4th3rd25th7th
122nd2nd9th5th
5th
21st
5th6th4th6th4th3rd14th
Look and Say
8th
7th9th
25th
13th
18th
11th17th
111th
16th
7th
6th
Lucky Numbers
6th
8th7th
28th
34th
10th
8th11th
130th
17th
6th
5th
Lucky Tickets
4th
24th
10th
11th
5th
68th3rd
3rd
Mahjong
20th
52nd
Maze
4th
22nd
8th
6th5th
72nd
10th
3rd
Medal Tally
5th
26th
7th
8th
71st
7th
3rd
Morse Decoder
4th
25th
10th
7th
152nd
4th
Morse Encoder
3rd
20th
10th
6th
99th
5th
Musical Chords
20th
24th
11th
6th
7th
76th
N Queens
8th
15th
7th
67th
6th
5th
Niven Numbers
18th17th23rd47th22nd19th22nd141st74th65th23rd24th29th40th30th33rd21st25th20th25th21st
21st
39th
25th67th307th
29th
16th49th25th17th22nd46th67th
355th16th52nd12th107th50th
26th23rd
20th12th20th20th
Niven Numbers (Long)
18th15th14th15th11th61st40th42nd18th17th8th36th14th25th14th18th
16th
13th
18th
18th33rd118th
22nd
13th27th17th
16th25th34th
185th17th25th7th59th20th
16th15th
12th7th17th12th
Number Spiral
3rd9th15th17th13th9th7th53rd26th24th6th10th13th24th9th9th19th9th7th5th9th9th8th
14th18th13th
29th13th27th75th
15th29th11th10th13th5th10th11th18th
7th115th5th11th9th30th24th
18th
12th
12th11th6th6th9th
Odious Numbers
7th20th22nd23rd22nd14th26th148th79th46th24th16th29th38th22nd35th19th19th11th21st22nd
17th
26th
76th
16th43rd291st
30th
9th32nd19th12th17th42nd84th
21st135th13th53rd10th114th36th10th
21st24th
14th10th15th11th
Odious Numbers (Long)
23rd16th13th13th8th77th50th39th17th16th8th37th20th27th16th19th
10th
12th
18th
32nd
14th24th106th
23rd
11th23rd14th
13th22nd32nd
91st11th22nd7th45th15th10th
15th13th
10th6th11th10th
Ordinal Numbers
10th
32nd14th
15th
13th
11th32nd
8th
99th
24th
11th
7th
10th
PalindromemordnilaP
3rd
6th
10th
8th
87th
9th
4th
Pangram Grep
8th
14th
31st12th25th23rd
32nd
21st
33rd182nd
33rd
14th31st9th
12th
18th12th51st
89th35th
21st24th
10th12th
Partition Numbers
75th
Pascal’s Triangle
12th15th104th47th46th16th
35th
17th
14th
27th
37th196th
21st
14th38th16th
51st42nd44th
296th18th59th
86th42nd
21st
13th
14th
Pernicious Numbers
5th18th22nd23rd21st17th25th91st45th33rd19th14th29th35th18th29th18th22nd17th20th22nd
16th
29th
50th
21st32nd139th
24th
15th32nd25th14th17th37th44th
24th129th17th55th9th72nd26th10th
23rd25th
16th9th20th15th
Pernicious Numbers (Long)
10th11th9th10th9th37th24th28th11th13th7th31st13th19th13th10th
8th
11th
14th
14th23rd61st
17th
11th14th13th
10th13th20th
96th7th20th6th39th22nd
11th8th
8th3rd6th10th
Poker
21st
8th
4th
88th
Polyominoes
2nd
5th
6th
4th
6th
60th
6th
5th
Prime Numbers
11th16th23rd40th24th15th21st202nd83rd68th24th26th30th41st38th32nd22nd24th13th27th26th
22nd
17th
14th
17th72nd372nd
41st
18th68th26th12th20th76th91st
338th20th92nd13th168th19th
37th
19th11th10th17th
Prime Numbers (Long)
22nd12th16th16th12th111th53rd58th16th20th7th44th11th26th18th21st
15th
13th
22nd
14th44th144th
31st
17th30th15th
12th21st36th
256th18th34th8th69th1st
21st
13th7th1st16th
Proximity Grid
2nd
18th
5th
8th
7th5th
49th
5th
2nd
QR Decoder
5th
24th
6th
66th
3rd
Quine
1st
18th
26th
22nd
100th
10th104th
133rd
58th
121st
8th
8th
Recamán
13th
10th14th53rd37th33rd15th7th
35th12th17th
9th
15th
24th114th
19th
10th23rd10th
9th19th22nd
250th11th13th
43rd31st
9th
11th7th
Repeating Decimals
4th
22nd
11th
81st
Reverse Polish Notation
5th
31st
11th49th
7th23rd
183rd
26th
6th
Reversi
4th
16th
6th
7th
9th
43rd
4th
4th
Rijndael S-box
5th19th
6th5th4th44th23rd15th
7th14th22nd4th14th
5th4th5th9th
8th
7th
4th15th40th
8th
6th9th6th5th5th7th8th
86th2nd5th10th20th11th
22nd
3rd
8th3rd5th3rd10th
Rock-paper-scissors-Spock-lizard
4th
21st
14th
11th
13th
124th
16th
5th
Roman to Arabic
10th
35th
17th
8th
249th
11th
ROT13
7th
11th
8th
31st
17th
4th
Rule 110
4th
30th
17th
10th
15th
6th22nd
154th3rd
41st18th
5th
5th
Set
67th
Seven Segment
4th
52nd30th27th
23rd
14th
6th
103rd
18th
6th
SI Units
18th
4th
4th
56th
Sierpiński Triangle
8th15th
36th
15th
24th
18th
10th23rd
7th
242nd10th
43rd24th
13th
11th
Smith Numbers
7th
8th8th27th14th20th7th6th
28th6th10th
6th
5th
9th
17th53rd
7th
8th5th7th
3rd12th11th
104th5th9th
38th8th
7th
4th
7th
Spelling Numbers
3rd
10th
22nd80th
5th
3rd
60th
12th
3rd
Star Wars GPT
66th
Star Wars Opening Crawl
26th
4th
86th
Sudoku
21st
84th
Sudoku (Fill-in)
20th
89th
Ten-pin Bowling
3rd
26th
9th
91st
Tic-tac-toe
8th
95th
3rd
Time Distance
4th
24th
6th
8th
5th8th5th
3rd
91st
8th
4th
Tongue-twisters
13th12th6th15th13th7th18th30th39th13th
8th16th22nd10th13th7th8th9th6th13th3rd12th
12th17th32nd
14th8th20th114th
16th14th8th15th10th5th8th14th19th51st8th81st6th9th5th26th23rd
17th20th9th7th7th7th7th8th6th
Transpose Sentence
6th
7th
6th
103rd
12th
5th
United States
5th
25th
12th
8th10th
110th
13th
13th
4th
Vampire Numbers
4th10th
3rd8th
22nd
10th
11th
6th5th
63rd
35th17th
5th
2nd
Van Eck Sequence
9th
8th14th43rd26th27th12th8th
22nd10th12th
11th
15th
19th84th
14th
8th14th10th
7th19th17th
69th10th12th
39th17th
6th
9th8th
Zeckendorf Representation
8th
20th
9th
9th
8th8th8th
5th
58th
10th
7th
5th
6th
Zodiac Signs
3rd
25th
10th
5th
93rd
4th
γ
4th10th
7th4th3rd8th24th12th7th
6th12th22nd8th11th
4th5th5th
13th
5th
8th21st
44th
5th3rd5th6th2nd2nd5th
7th59th4th4th3rd14th5th
23rd
3rd4th6th4th4th2nd15th
λ
10th11th
11th5th3rd14th24th15th10th
9th16th19th13th10th15th4th5th7th9th
19th
8th
47th
10th28th
5th7th6th6th5th6th9th
9th66th6th8th3rd28th8th
29th
6th5th5th5th5th4th17th
π
12th14th
7th4th14th38th39th21st
8th17th33rd21st12th21st8th
10th
23rd
18th
7th54th
49th
12th13th6th6th5th40th11th
246th4th25th4th76th13th
29th
11th8th6th7th6th4th17th
τ
11th12th
5th4th13th
21st13th
8th15th32nd19th11th
8th
8th
15th
14th
7th40th
58th
9th9th5th6th5th34th9th
184th4th15th4th49th7th
26th
6th8th5th7th6th4th15th
φ
12th10th
5th4th21st
22nd13th
12th16th31st21st15th
11th
10th
18th
20th
7th26th
51st
12th11th5th6th5th32nd10th
154th4th18th5th71st9th
25th
8th9th5th9th6th4th15th
√2
19th9th
5th3rd15th
28th14th
13th15th36th17th14th
10th
12th
20th
24th
7th38th
54th
17th9th5th6th5th31st8th
196th4th16th5th52nd8th
29th
7th9th5th11th6th3rd18th
𝑒
13th12th
6th7th15th
31st24th
12th16th31st
13th
8th
23rd
9th
8th38th
48th
11th15th8th5th6th33rd14th
125th8th27th5th62nd17th
30th
10th9th6th9th7th7th22nd