12 Days of Christmas
24th
22nd
7th
2nd30th
53rd
10th
99 Bottles of Beer
22nd
17th
10th
6th26th
43rd
10th
Abundant Numbers
13th
22nd
8th
4th
52nd
17th
Abundant Numbers (Long)
7th
Arabic to Roman
💎
30th
Arithmetic Numbers
3rd
Arrows
14th
19th
6th
Ascending Primes
5th
ASCII Table
16th
12th
88th
4th
39th
13th
brainfuck
3rd
34th
Card Number Validation
8th
Catalan Numbers
9th
19th
5th
3rd
24th
7th
Catalan’s Constant
9th
9th
4th
4th
8th
Christmas Trees
43rd
8th
6th
5th10th
40th
11th
Collatz
8th
19th
7th
8th
54th
10th
CSS Colors
3rd
14th
Cubes
18th
9th
4th
2nd
29th
10th
Day of Week
1st
Diamonds
26th
9th
5th
4th21st
32nd
10th
Divisors
21st
24th
13th
1st36th
41st
10th
Emirp Numbers
11th
13th
6th
48th
6th19th
169th
58th
24th
Emirp Numbers (Long)
6th
5th
Emojify
9th
Evil Numbers
25th
16th
8th
16th31st
132nd
24th
23rd
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
20th
Fibonacci
22nd134th
39th
22nd
296th
1st51st
800th
62nd
17th
Fizz Buzz
88th
61st
80th
1,033rd
1st106th
1,454th
3rd
25th
Foo Fizz Buzz Bar
10th
15th
7th
12th
10th
Forsyth–Edwards Notation
3rd
Fractions
107th
1st
281st
1st
Game of Life
9th
Gijswijt’s Sequence
2nd
Happy Numbers
20th
14th
5th
4th21st
131st
34th
21st
Happy Numbers (Long)
6th
12th
5th
2nd
156th
22nd
7th
Hexdump
1st
Intersection
62nd
💎
229th
22nd
Inventory Sequence
7th
ISBN
7th
29th
Jacobi Symbol
4th
Kaprekar Numbers
6th
Kolakoski Constant
7th8th8th38th24th
12th21st11th9th6th16th20th14th3rd10th24th53rd14th
6th6th7th13th17th33rd
141st13th26th12th7th7th7th7th22nd
Kolakoski Sequence
16th
9th
7th
13th
8th
43rd
1st
219th
27th
17th
Leap Years
15th
25th
9th
1st
4th24th
52nd
4th
11th
Levenshtein Distance
4th
54th
Leyland Numbers
6th
10th
4th
2nd
35th
8th
ln 2
6th
Look and Say
20th
13th
2nd
8th
38th
13th
Lucky Numbers
5th
9th
3rd
8th
9th
Lucky Tickets
2nd
24th
Maze
7th
Medal Tally
6th
Morse Decoder
4th
30th
Morse Encoder
3rd
34th
Musical Chords
2nd
17th
N Queens
8th
Niven Numbers
22nd
24th
7th
1st38th
42nd
21st
Niven Numbers (Long)
4th
Number Spiral
6th
10th
4th
7th
25th
13th
Odious Numbers
24th
16th
7th
17th32nd
97th
21st
23rd
Odious Numbers (Long)
4th
Ordinal Numbers
10th
47th
PalindromemordnilaP
11th
Pangram Grep
5th
79th
Partition Numbers
13th
Pascal’s Triangle
9th
13th
7th
1st21st
32nd
10th
Pernicious Numbers
14th
22nd
8th
1st
1st36th
1st
20th
21st
Pernicious Numbers (Long)
11th
Poker
2nd
Polyominoes
5th
Prime Numbers
12th
16th
9th
1st
1st39th
153rd
62nd
23rd
Prime Numbers (Long)
8th
15th
8th
12th
43rd
8th
Proximity Grid
2nd
QR Decoder
25th
2nd
15th
Quine
1st
2nd
12th
30th
1st
72nd
110th
Recamán
5th
10th
5th
14th
6th
25th
9th
Repeating Decimals
3rd
Reverse Polish Notation
8th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
2nd
17th
Roman to Arabic
11th
37th
ROT13
3rd
Rule 110
19th
5th
5th
7th
36th
12th
Seven Segment
6th
SI Units
💎
Sierpiński Triangle
20th
10th
5th
10th
26th
10th
Smith Numbers
6th
6th
4th
3rd
35th
8th
Spelling Numbers
2nd
24th
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
2nd
24th
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
9th
14th
6th
4th
35th
12th
Transpose Sentence
13th
United States
8th
Vampire Numbers
7th
6th
3rd
3rd
35th
8th
Van Eck Sequence
5th
7th
5th
41st
1st
112th
18th
8th
Zodiac Signs
5th
γ
💎
λ
10th12th10th66th38th26th13th26th11th8th7th20th32nd15th5th9th25th98th18th
1st12th9th11th21st46th9th150th14th32nd18th12th12th8th9th28th
π
12th11th12th101st70th
13th33rd14th11th10th21st47th32nd5th28th54th213th89th
6th11th8th51st26th68th
494th37th80th20th10th14th14th9th39th
τ
10th10th10th54th39th
12th31st12th11th8th15th37th19th6th25th43rd111th77th
6th8th8th40th20th44th
275th22nd54th15th10th9th8th9th23rd
φ
11th40th12th51st41st
13th37th13th11th10th16th45th30th4th32nd41st94th73rd
15th7th8th38th22nd42nd
351st25th62nd17th11th9th10th11th23rd
√2
18th42nd12th62nd48th
12th30th14th11th12th18th52nd31st6th28th61st106th61st
6th7th8th37th18th47th
198th19th59th16th11th10th9th13th25th
𝑒
12th13th13th79th53rd
13th32nd14th13th10th20th42nd33rd6th31st39th113th74th
10th11th9th40th25th51st
272nd32nd65th24th9th8th12th11th33rd