12 Days of Christmas
18th
24th
22nd
7th
2nd30th
50th
9th
99 Bottles of Beer
15th
20th
15th
10th
7th26th
40th
10th
Abundant Numbers
22nd
12th
19th
9th
7th
49th
15th
Abundant Numbers (Long)
6th
Arabic to Roman
💎
27th
Arithmetic Numbers
3rd
Arrows
14th
13th
6th
Ascending Primes
5th
ASCII Table
16th
10th
79th
6th
38th
13th
brainfuck
4th
31st
Card Number Validation
8th
Catalan Numbers
9th
16th
6th
3rd
23rd
7th
Catalan’s Constant
8th
6th
3rd
6th
6th
Christmas Trees
16th
42nd
8th
5th
5th10th
37th
11th
Collatz
8th
15th
8th
8th
52nd
10th
CSS Colors
4th
25th
Cubes
12th
18th
7th
3rd
💎
26th
9th
Day of Week
1st
Diamonds
13th
26th
7th
4th
4th21st
27th
10th
Divisors
16th
20th
22nd
12th
1st37th
39th
9th
Emirp Numbers
15th
11th
10th
7th
28th
5th18th
89th
50th
21st
Emirp Numbers (Long)
6th
5th
Emojify
8th
Evil Numbers
30th
24th
13th
11th
15th30th
122nd
24th
22nd
16th
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
19th
Fibonacci
45th
21st120th
34th
24th
287th
1st50th
772nd
61st
14th
39th
Fizz Buzz
46th
87th
59th
78th
1,020th
1st105th
1,400th
1st
24th
Foo Fizz Buzz Bar
10th
12th
6th
16th
10th
Forsyth–Edwards Notation
3rd
Fractions
103rd
1st
258th
1st
Game of Life
9th
Gijswijt’s Sequence
2nd
Happy Numbers
16th
18th
10th
6th
6th20th
125th
29th
20th
Happy Numbers (Long)
6th
9th
5th
2nd
135th
21st
7th
Hexdump
4th
Intersection
50th
💎
211th
14th
Inventory Sequence
7th
ISBN
7th
27th
Jacobi Symbol
4th
Kaprekar Numbers
5th
Kolakoski Constant
6th17th8th7th37th24th
12th21st11th6th6th16th19th14th3rd8th17th48th12th
7th6th4th12th16th33rd
131st13th23rd11th7th6th6th7th22nd
Kolakoski Sequence
17th
16th
9th
6th
12th
7th
43rd
1st
206th
27th
16th
Leap Years
18th
15th
22nd
9th
1st
4th22nd
49th
3rd
11th
18th
Levenshtein Distance
3rd
50th
Leyland Numbers
14th
5th
7th
5th
2nd
33rd
8th
ln 2
8th
Look and Say
16th
18th
10th
2nd
8th
36th
11th
Lucky Numbers
5th
7th
3rd
8th
9th
Lucky Tickets
3rd
22nd
Maze
7th
Medal Tally
6th
Morse Decoder
4th
29th
Morse Encoder
4th
32nd
Musical Chords
4th
13th
N Queens
9th
Niven Numbers
23rd
19th
22nd
6th
1st37th
41st
19th
Niven Numbers (Long)
4th
Number Spiral
6th
8th
5th
8th
23rd
13th
Odious Numbers
27th
23rd
12th
9th
15th31st
86th
21st
21st
16th
Odious Numbers (Long)
4th
Ordinal Numbers
10th
46th
PalindromemordnilaP
10th
Pangram Grep
5th
75th
Partition Numbers
12th
Pascal’s Triangle
13th
9th
9th
6th
1st21st
32nd
9th
Pernicious Numbers
24th
12th
17th
9th
1st
1st35th
1st
19th
20th
Pernicious Numbers (Long)
11th
Poker
2nd
Polyominoes
5th
Prime Numbers
23rd
10th
13th
10th
1st
1st37th
145th
60th
22nd
Prime Numbers (Long)
8th
12th
6th
12th
39th
8th
Proximity Grid
2nd
QR Decoder
23rd
4th
14th
Quine
1st
2nd
11th
29th
1st
63rd
99th
30th
Recamán
13th
5th
7th
6th
14th
6th
25th
9th
Repeating Decimals
3rd
Reverse Polish Notation
10th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
3rd
19th
Roman to Arabic
11th
32nd
ROT13
3rd
Rule 110
12th
18th
4th
4th
10th
35th
11th
Seven Segment
7th
SI Units
2nd
Sierpiński Triangle
15th
20th
10th
6th
10th
26th
10th
Smith Numbers
6th
4th
4th
3rd
33rd
6th
Spelling Numbers
4th
24th
Star Wars Opening Crawl
2nd
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
4th
22nd
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
26th
7th
12th
5th
7th
28th
11th
Transpose Sentence
13th
United States
8th
Vampire Numbers
14th
7th
3rd
3rd
4th
34th
7th
Van Eck Sequence
15th
5th
3rd
6th
40th
1st
88th
17th
7th
Zodiac Signs
5th
γ
4th
λ
4th22nd11th9th65th36th26th12th26th11th5th7th20th31st15th7th8th17th93rd17th
9th11th5th10th19th44th9th137th14th29th15th10th11th7th8th28th
π
9th34th11th11th96th67th
13th33rd14th8th10th21st46th31st4th27th46th197th87th
8th11th5th46th25th67th
469th37th78th18th9th13th13th9th39th
τ
9th21st10th9th50th38th
12th31st12th8th8th15th35th19th6th24th34th106th75th
7th8th5th37th19th43rd
257th22nd51st12th9th8th7th9th23rd
φ
10th19th39th11th48th41st
13th36th15th8th10th16th45th29th5th28th32nd88th70th
14th7th5th36th22nd41st
331st25th58th15th10th8th9th11th23rd
√2
16th23rd41st11th61st48th
12th30th15th8th12th18th52nd30th6th26th50th101st60th
6th7th5th34th17th46th
164th19th55th14th10th9th8th13th25th
𝑒
11th29th13th12th74th51st
13th32nd14th10th10th20th42nd32nd6th29th29th107th73rd
12th11th6th37th24th50th
262nd32nd64th22nd8th7th11th11th33rd