12 Days of Christmas
21st
20th
4th
2nd
29th
44th
8th
99 Bottles of Beer
16th
14th
8th
4th
22nd
38th
10th
Abundant Numbers
10th
15th
7th
4th
40th
14th
Abundant Numbers (Long)
5th
Arabic to Roman
💎
23rd
Arithmetic Numbers
3rd
Arrows
12th
15th
5th
Ascending Primes
5th
ASCII Table
12th
9th
61st
4th
34th
11th
brainfuck
3rd
23rd
Catalan Numbers
9th
10th
4th
3rd
17th
7th
Catalan’s Constant
8th
6th
3rd
3rd
7th
Christmas Trees
33rd
7th
3rd
5th
8th
37th
11th
Collatz
8th
12th
6th
5th
37th
10th
CSS Colors
2nd
11th
Cubes
15th
4th
4th
💎
26th
9th
Day of Week
1st
Diamonds
21st
5th
5th
4th
15th
26th
10th
Divisors
17th
18th
11th
1st
31st
35th
9th
Emirp Numbers
11th
8th
6th
44th
6th
14th
142nd
51st
17th
Emirp Numbers (Long)
6th
4th
Emojify
9th
Evil Numbers
20th
11th
8th
12th
25th
98th
19th
18th
13th
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Fibonacci
19th
104th
27th
19th
256th
1st
41st
638th
52nd
12th
31st
Fizz Buzz
79th
46th
70th
908th
1st
100th
1,207th
3rd
22nd
Foo Fizz Buzz Bar
10th
10th
6th
7th
10th
Forsyth–Edwards Notation
3rd
Fractions
82nd
1st
195th
1st
Game of Life
7th
Gijswijt’s Sequence
2nd
Happy Numbers
15th
8th
5th
4th
15th
103rd
30th
16th
Happy Numbers (Long)
6th
7th
5th
2nd
122nd
20th
7th
Hexdump
💎
Intersection
48th
💎
177th
15th
Inventory Sequence
3rd
ISBN
4th
23rd
Jacobi Symbol
4th
Kolakoski Constant
7th
7th
7th
32nd
20th
9th
10th
6th
5th
8th
17th
14th
3rd
10th
17th
39th
12th
14th
2nd
5th
4th
11th
11th
29th
107th
13th
21st
8th
7th
5th
4th
7th
20th
Kolakoski Sequence
16th
8th
5th
9th
6th
35th
1st
169th
25th
15th
Leap Years
14th
18th
5th
1st
4th
22nd
40th
4th
11th
14th
Levenshtein Distance
2nd
45th
Leyland Numbers
5th
6th
4th
2nd
30th
8th
ln 2
5th
Look and Say
16th
6th
2nd
6th
31st
10th
Lucky Numbers
5th
6th
3rd
5th
9th
Lucky Tickets
2nd
18th
Maze
5th
Medal Tally
4th
Morse Decoder
3rd
25th
Morse Encoder
3rd
24th
Musical Chords
2nd
11th
Niven Numbers
16th
18th
6th
1st
29th
35th
16th
Niven Numbers (Long)
4th
Number Spiral
5th
6th
4th
4th
19th
12th
Odious Numbers
20th
9th
7th
12th
26th
70th
17th
17th
13th
Odious Numbers (Long)
4th
Ordinal Numbers
8th
42nd
Pangram Grep
5th
67th
Pascal’s Triangle
9th
6th
5th
1st
15th
25th
9th
Pernicious Numbers
11th
14th
7th
1st
1st
29th
1st
17th
16th
Pernicious Numbers (Long)
10th
Poker
💎
Prime Numbers
10th
10th
8th
1st
1st
31st
120th
51st
18th
Prime Numbers (Long)
7th
9th
5th
11th
29th
8th
Proximity Grid
💎
QR Decoder
16th
2nd
10th
Quine
1st
2nd
10th
25th
1st
51st
84th
15th
Recamán
5th
5th
5th
10th
6th
21st
9th
Repeating Decimals
3rd
Reverse Polish Notation
7th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
💎
14th
Roman to Arabic
9th
28th
Rule 110
16th
4th
4th
6th
33rd
11th
Seven Segment
3rd
SI Units
💎
Sierpiński Triangle
17th
9th
4th
9th
25th
9th
Smith Numbers
6th
4th
4th
3rd
26th
6th
Spelling Numbers
2nd
21st
Star Wars Opening Crawl
💎
Sudoku
4th
Sudoku v2
2nd
Ten-pin Bowling
💎
17th
Time Distance
2nd
Tongue-twisters
7th
11th
4th
3rd
30th
10th
United States
6th
Vampire Numbers
7th
5th
3rd
2nd
29th
7th
Van Eck Sequence
5th
3rd
5th
32nd
1st
77th
14th
7th
Zodiac Signs
4th
γ
💎
λ
10th
10th
9th
59th
29th
22nd
8th
10th
6th
6th
8th
26th
14th
5th
7th
17th
79th
15th
6th
18th
1st
8th
5th
9th
17th
40th
8th
117th
14th
28th
14th
11th
10th
6th
8th
22nd
π
12th
10th
11th
82nd
56th
10th
12th
10th
9th
10th
38th
30th
4th
29th
38th
167th
74th
23rd
4th
9th
5th
40th
20th
60th
384th
36th
72nd
14th
10th
11th
9th
8th
33rd
τ
9th
9th
9th
45th
30th
9th
11th
10th
7th
8th
33rd
19th
5th
24th
29th
86th
63rd
21st
4th
7th
5th
32nd
15th
41st
208th
21st
50th
11th
10th
7th
5th
8th
19th
φ
11th
34th
11th
44th
33rd
10th
13th
10th
9th
10th
36th
27th
3rd
27th
27th
73rd
59th
27th
9th
7th
5th
31st
17th
37th
272nd
25th
54th
12th
10th
7th
7th
9th
19th
√2
16th
31st
11th
52nd
38th
9th
13th
9th
11th
8th
42nd
26th
5th
26th
39th
80th
48th
20th
5th
7th
5th
30th
13th
41st
147th
19th
47th
13th
11th
8th
7th
10th
21st
𝑒
10th
11th
12th
62nd
44th
10th
10th
10th
8th
9th
33rd
29th
5th
28th
25th
85th
65th
23rd
6th
9th
5th
31st
19th
43rd
210th
31st
59th
14th
9th
6th
7th
8th
25th