12 Days of Christmas
37th
99 Bottles of Beer
72nd
47th
Abundant Numbers
46th
Abundant Numbers (Long)
36th
Arabic to Roman
43rd
12th
Arithmetic Numbers
23rd
Arrows
21st
ASCII Table
28th
brainfuck
23rd
Catalan Numbers
277th11th
Catalan’s Constant
15th
11th
Christmas Trees
38th
Collatz
39th
CSS Colors
12th
Cubes
10th
Diamonds
25th
Divisors
62nd
55th
Emirp Numbers
25th
Emirp Numbers (Long)
16th
Emojify
15th
Evil Numbers
40th
Evil Numbers (Long)
30th
Factorial Factorisation
14th
Fibonacci
133rd
98th
Fizz Buzz
87th
98th
Foo Fizz Buzz Bar
41st
28th
Fractions
42nd
20th
Gijswijt’s Sequence
13th
Happy Numbers
43rd
Happy Numbers (Long)
22nd
Hexdump
13th
Intersection
19th
Inventory Sequence
17th
ISBN
18th
Kolakoski Constant
10th
Kolakoski Sequence
21st
Leap Years
43rd
Leyland Numbers
19th
Look and Say
19th
15th
Lucky Numbers
14th
Niven Numbers
54th
49th
Niven Numbers (Long)
19th
Number Spiral
14th
Odious Numbers
56th
38th
Odious Numbers (Long)
30th
Ordinal Numbers
17th
Pangram Grep
31st
Pascal’s Triangle
54th
39th
Pernicious Numbers
46th
36th
Pernicious Numbers (Long)
18th
Prime Numbers
63rd
42nd
Prime Numbers (Long)
60th
35th
Proximity Grid
9th
Quine
63rd
Recamán
26th
Repeating Decimals
8th
Reverse Polish Notation
20th
Rock-paper-scissors-Spock-lizard
18th
Roman to Arabic
15th
Rule 110
22nd
Seven Segment
24th
Sierpiński Triangle
30th
Smith Numbers
16th
Spelling Numbers
13th
Sudoku
10th
Tongue-twisters
35th
17th
United States
16th
Vampire Numbers
14th
Van Eck Sequence
25th
15th
λ
21st
15th
π
30th
18th
τ
22nd
12th
φ
21st
15th
√2
21st347th14th
𝑒
31st
22nd