12 Days of Christmas
41st26th23rd
13th
27th
20th
3rd
12th10th28th
9th29th15th8th
12th
11th9th
18th
18th
13th7th13th
36th11th
14th
24 Game
17th
23rd
61st
6th3rd
99 Bottles of Beer
9th
99th
27th
9th
57th
75th
6th
27th43rd98th10th55th11th32nd
58th48th
Abundant Numbers
19th19th
20th153rd131st88th
20th17th29th16th28th14th14th
24th
34th
48th
16th51st288th14th47th
45th
13th17th33rd57th49th23rd27th10th
91st50th
28th13th9th
16th
18th
Abundant Numbers (Long)
18th13th
86th62nd63rd
16th13th22nd17th27th11th11th
13th
24th
32nd
17th31st135th14th35th
33rd
11th8th24th37th24th9th39th11th
50th38th
8th10th9th
12th
14th
Arabic to Roman
11th
41st
35th22nd
Arithmetic Numbers
12th7th
9th60th45th43rd
34th16th11th13th19th2nd6th
13th
24th10th18th
9th
89th
13th
28th15th9th9th11th20th
8th29th11th4th
27th18th
7th3rd5th
10th7th12th
Arrows
34th
68th4th
Ascending Primes
28th
18th
38th5th
ASCII Table
23rd56th
28th
33rd5th
Billiards
15th
54th
brainfuck
24th
30th
60th6th
Card Number Validation
20th
45th4th
Catalan Numbers
42nd
191st3rd
Catalanβs Constant
16th6th
31st
5th
11th
47th
118th8th
7th
5th
4th
Christmas Trees
42nd52nd43rd
19th
110th
36th
49th
61st10th
72nd
Collatz
16th18th
19th
60th97th111th
38th15th19th20th23rd12th14th
14th
27th
25th
12th
101st15th22nd
51st19th10th
25th41st41st9th69th9th
54th52nd
24th12th
11th
19th
CSS Colors
22nd
12th
86th
30th
Cubes
13th
12th
7th
37th3rd
Day of Week
37th
91st
57th
49th1st
DFA Simulator
12th
19th
Diamonds
13th20th
32nd
37th
8th
15th
37th
134th5th
63rd
Divisors
23rd11th
84th148th91st
42nd21st31st19th20th15th22nd
12th
54th
60th
78th134th
38th
65th30th14th24th48th10th61st15th1st1st60th
110th1st
42nd14th
15th
Emirp Numbers
10th
37th
31st
149th
29th
37th14th160th10th
Emirp Numbers (Long)
9th
11th
45th6th
Emojify
26th
13th
76th
83rd6th
30th
Evil Numbers
12th122nd
33rd41st35th
15th
50th
39th
58th32nd23rd27th
31st75th
116th11th52nd
71st46th
Evil Numbers (Long)
75th
30th24th27th
10th
31st
24th
31st17th14th18th
18th37th
33rd9th22nd
38th20th
Factorial Factorisation
27th
25th
14th
37th5th
Farey Sequence
32nd
16th
56th11th
Fibonacci
36th63rd9th
46th
47th125th88th
34th
14th52nd69th56th60th32nd30th
30th63rd17th18th61st32nd
40th1st1st
104th
1st33rd26th57th40th27th27th27th1st15th114th
7th117th27th
53rd31st37th
1st
48th
Fizz Buzz
8th16th11th30th33rd19th32nd240th111th24th15th41st38th1st38th8th32nd8th26th
2nd47th
54th15th9th4th12th26th1st1st1st6th
26th47th14th26th41st9th94th35th44th35th4th43rd11th3rd45th15th17th56th15th12th
17th
25th
Foo Fizz Buzz Bar
15th
17th
64th
38th
27th
24th
43rd
15th8th22nd
ForsythβEdwards Notation
17th
16th
35th7th
Fractions
21st
14th
39th6th
Game of Life
15th
8th
31st5th
Gijswijtβs Sequence
11th
20th
66th5th
10th
Happy Numbers
10th14th
32nd
31st25th
10th11th
38th7th25th
55th
9th
125th11th
56th
Happy Numbers (Long)
10th11th
12th19th
29th
26th10th
9th10th
21st7th20th
29th
7th
24th10th
42nd
Hexdump
22nd
31st
115th4th
Intersection
16th
20th
72nd6th
Inventory Sequence
35th
103rd8th
ISBN
59th
15th
107th
14th
47th8th
Jacobi Symbol
26th
38th4th
Kaprekar Numbers
33rd4th
Kolakoski Constant
6th
30th
5th
71st7th
7th
7th
4th
Kolakoski Sequence
35th
156th7th
45th
Leap Years
24th5th
19th
141st136th81st
43rd17th37th22nd26th18th26th
31st
46th
78th
17th125th405th
37th
62nd22nd16th19th52nd81st94th20th440th19th51st
104th65th
27th18th
19th
22nd
Levenshtein Distance
33rd
35th
149th8th
22nd
Leyland Numbers
30th
1st8th
ln 2
6th
35th
6th
86th7th
5th
4th
4th
Look and Say
31st
9th
47th6th
11th
Lucky Numbers
29th7th
5th
30th
51st
67th11th
Lucky Tickets
27th
56th6th
Mahjong
17th
34th
Maze
17th
39th
Medal Tally
11th
23rd5th
Morse Decoder
24th
12th
94th4th
Morse Encoder
20th
13th
101st
Musical Chords
13th17th
27th
7th
57th
N Queens
22nd
27th3rd
Niven Numbers
20th
142nd
37th28th30th
30th19th25th
24th
74th1st
61st32nd
47th60th54th
174th14th
103rd59th
Niven Numbers (Long)
62nd
37th12th23rd
20th12th15th
38th
25th
37th20th
26th32nd29th
167th16th
57th34th
Number Spiral
28th
17th
8th
61st7th
Odious Numbers
21st
97th95th77th
39th39th31st28th28th13th16th
45th40th34th
22nd86th320th
50th
48th27th21st29th
29th62nd28th137th11th49th
60th
25th
38th23rd
26th
25th24th
Odious Numbers (Long)
22nd
62nd
38th25th25th
10th
27th
23rd
35th17th12th18th
15th34th
93rd10th22nd
37th
Ordinal Numbers
27th
33rd
10th
57th9th
PalindromemordnilaP
4th
13th15th13th
21st
5th
9th
26th4th
27th
6th
Pangram Grep
20th
23rd
54th
33rd
28th
44th
65th9th
Partition Numbers
32nd5th
Pascalβs Triangle
58th
23rd
20th
29th
60th30th34th
77th1st
9th
Pernicious Numbers
22nd22nd
76th
39th33rd31st
25th
22nd
39th
46th143rd
30th
27th
23rd43rd40th57th
216th16th
83rd53rd
30th17th
28th
Pernicious Numbers (Long)
12th10th
33rd15th
13th
12th
18th
29th63rd
21st
14th
14th15th17th16th
121st5th
38th27th
14th7th
9th
Poker
14th
34th
Polyominoes
32nd
Prime Numbers
11th
218th
39th
51st
86th
90th
83rd
106th65th
142nd17th
Prime Numbers (Long)
19th
116th
23rd
12th
31st
44th
40th
41st
44th15th
Proximity Grid
24th
48th
QR Decoder
23rd
33rd3rd
Quine
1st23rd1st9th
2nd97th133rd71st22nd7th19th30th1st22nd31st4th22nd25th22nd22nd
9th52nd
30th10th4th9th94th182nd1st1st
28th1st46th1st1st52nd69th
37th62nd15th41st
1st13th
27th34th8th12th14th39th
24th
RecamΓ‘n
16th
36th
75th10th
Repeating Decimals
23rd
50th3rd
Reverse Polish Notation
25th
1st
46th
36th4th
Reversi
19th
59th
Rijndael S-box
5th7th
7th6th
3rd20th14th
5th18th
15th
11th
6th
9th7th
68th5th6th
15th4th
6th
5th5th
Rock-paper-scissors-Spock-lizard
14th
14th
38th5th
Roman to Arabic
34th
14th
194th14th
ROT13
24th
122nd4th
5th
Rule 110
26th
30th
72nd6th
Set
27th3rd
Seven Segment
35th
28th
15th
30th82nd
82nd5th
SI Units
7th
6th
13th
SierpiΕski Triangle
30th
18th
37th
131st9th
Smith Numbers
27th
27th6th
Spelling Numbers
29th75th
15th
44th4th
Star Wars GPT
16th
49th3rd
Star Wars Opening Crawl
13th
29th
Sudoku
25th
53rd
Sudoku (Fill-in)
24th
71st
Ten-pin Bowling
16th
34th
Tic-tac-toe
16th
47th
Time Distance
31st
45th4th
Tongue-twisters
9th
30th
17th
89th
8th
12th16th
33rd8th
15th
Transpose Sentence
27th
61st
United States
24th
18th118th
34th
37th23rd
Vampire Numbers
27th
8th
103rd5th
Van Eck Sequence
33rd
110th9th
7th
Zeckendorf Representation
119th5th
Zodiac Signs
26th
99th
Ξ³
4th7th17th6th23rd
15th24th8th6th
25th18th12th11th7th3rd5th11th4th5th
7th7th18th
8th24th33rd6th48th
20th6th17th5th6th11th22nd7th62nd6th10th3rd18th8th5th6th4th3rd4th6th6th4th8th17th
Ξ»
6th26th
9th
30th32nd
7th4th
10th4th
50th
10th
70th
8th
19th
34th8th
11th
5th5th8th5th
Ο
6th35th19th
37th
7th
12th
19th
68th
136th7th
4th
10th
6th
6th
Ο
14th
21st6th24th
31st
7th
12th5th
53rd
108th6th
10th
5th
6th
Ο
7th14th
37th
7th
13th
20th
63rd
26th
141st7th
9th
5th
6th
β2
6th
38th
7th
15th
51st
136th6th
11th
5th
6th
π
10th13th21st10th33rd47th51st45th
35th36th14th24th11th9th30th14th5th
24th29th57th
8th53rd104th
55th
38th11th20th9th37th52nd20th13th103rd11th32nd
65th22nd
25th7th10th19th6th11th7th12th29th