12 Days of Christmas
18th
24th
22nd
6th
2nd29th
49th
9th
99 Bottles of Beer
15th
20th
15th
9th
7th25th
39th
10th
Abundant Numbers
21st
12th
18th
8th
7th
48th
14th
Abundant Numbers (Long)
6th
Arabic to Roman
💎
24th
Arithmetic Numbers
3rd
Arrows
14th
13th
6th
Ascending Primes
4th
ASCII Table
15th
10th
77th
6th
37th
12th
brainfuck
4th
30th
Card Number Validation
8th
Catalan Numbers
9th
16th
6th
3rd
22nd
7th
Catalan’s Constant
8th
6th
3rd
6th
6th
Christmas Trees
15th
42nd
8th
5th
5th10th
36th
11th
Collatz
8th
15th
7th
7th
51st
10th
CSS Colors
4th
23rd
Cubes
12th
18th
7th
3rd
💎
24th
9th
Day of Week
1st
Diamonds
13th
26th
7th
4th
4th19th
26th
10th
Divisors
15th
20th
21st
11th
1st35th
38th
9th
Emirp Numbers
15th
11th
10th
7th
28th
5th17th
87th
49th
20th
Emirp Numbers (Long)
6th
4th
Emojify
8th
Evil Numbers
28th
23rd
13th
10th
14th28th
113th
23rd
21st
16th
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
19th
Fibonacci
43rd
21st120th
34th
24th
282nd
1st48th
748th
59th
14th
37th
Fizz Buzz
44th
85th
57th
77th
1,002nd
1st105th
1,371st
1st
24th
Foo Fizz Buzz Bar
10th
12th
6th
14th
10th
Forsyth–Edwards Notation
3rd
Fractions
100th
1st
244th
1st
Game of Life
9th
Gijswijt’s Sequence
2nd
Happy Numbers
16th
17th
10th
6th
6th18th
118th
29th
19th
Happy Numbers (Long)
6th
9th
5th
2nd
132nd
21st
7th
Hexdump
4th
Intersection
49th
💎
201st
13th
Inventory Sequence
5th
ISBN
6th
25th
Jacobi Symbol
4th
Kaprekar Numbers
5th
Kolakoski Constant
6th17th8th7th37th24th
12th21st11th6th6th16th18th14th3rd8th17th48th12th
6th6th4th12th14th33rd
122nd13th23rd10th7th6th5th7th22nd
Kolakoski Sequence
17th
16th
9th
6th
12th
6th
42nd
1st
200th
27th
16th
Leap Years
17th
15th
22nd
8th
1st
4th22nd
45th
3rd
11th
18th
Levenshtein Distance
3rd
49th
Leyland Numbers
14th
5th
7th
5th
2nd
31st
8th
ln 2
8th
Look and Say
16th
18th
9th
2nd
6th
34th
11th
Lucky Numbers
5th
7th
3rd
8th
9th
Lucky Tickets
3rd
20th
Maze
7th
Medal Tally
5th
Morse Decoder
4th
28th
Morse Encoder
4th
31st
Musical Chords
4th
12th
N Queens
9th
Niven Numbers
22nd
19th
21st
6th
1st34th
39th
19th
Niven Numbers (Long)
4th
Number Spiral
6th
7th
5th
8th
22nd
12th
Odious Numbers
25th
23rd
11th
9th
14th29th
82nd
20th
20th
16th
Odious Numbers (Long)
4th
Ordinal Numbers
8th
44th
PalindromemordnilaP
11th
Pangram Grep
5th
75th
Partition Numbers
12th
Pascal’s Triangle
13th
9th
9th
6th
1st20th
31st
9th
Pernicious Numbers
23rd
12th
17th
9th
1st
1st32nd
1st
19th
19th
Pernicious Numbers (Long)
11th
Poker
2nd
Polyominoes
5th
Prime Numbers
22nd
10th
13th
10th
1st
1st35th
141st
57th
21st
Prime Numbers (Long)
8th
12th
6th
11th
35th
8th
Proximity Grid
2nd
QR Decoder
22nd
4th
13th
Quine
1st
2nd
10th
29th
1st
59th
99th
28th
Recamán
13th
5th
6th
6th
14th
6th
24th
9th
Repeating Decimals
3rd
Reverse Polish Notation
10th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
3rd
18th
Roman to Arabic
10th
30th
ROT13
3rd
Rule 110
12th
18th
4th
4th
10th
33rd
11th
Seven Segment
7th
SI Units
2nd
Sierpiński Triangle
15th
19th
10th
6th
10th
25th
10th
Smith Numbers
6th
4th
4th
3rd
31st
6th
Spelling Numbers
4th
23rd
Star Wars Opening Crawl
2nd
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
3rd
20th
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
26th
7th
12th
5th
6th
26th
9th
Transpose Sentence
12th
United States
7th
Vampire Numbers
14th
7th
5th
3rd
4th
33rd
7th
Van Eck Sequence
15th
5th
3rd
6th
38th
1st
78th
17th
7th
Zodiac Signs
5th
γ
4th
λ
4th20th11th9th64th34th26th12th26th10th5th7th19th30th15th7th8th17th87th17th
8th10th5th10th18th43rd9th129th14th29th14th10th11th6th8th27th
π
9th34th11th11th94th66th
13th33rd14th8th10th21st43rd31st4th27th44th191st85th
7th11th5th45th24th65th
452nd37th77th18th9th13th11th9th39th
τ
9th21st10th9th49th36th
12th31st12th8th8th15th33rd19th6th24th32nd101st72nd
6th7th5th37th18th43rd
247th22nd51st12th9th8th6th9th23rd
φ
10th19th39th11th48th39th
13th35th15th8th10th16th42nd29th4th27th30th85th69th
12th7th5th35th21st41st
320th25th58th15th10th8th8th11th23rd
√2
16th23rd41st11th61st46th
12th29th15th8th12th18th49th29th5th26th48th95th58th
6th7th5th34th16th46th
152nd19th54th14th10th9th7th13th25th
𝑒
11th29th13th12th72nd51st
13th32nd14th10th10th20th38th31st5th29th28th103rd71st
12th11th6th37th24th50th
249th32nd64th22nd8th7th10th11th33rd