12 Days of Christmas
37th
99 Bottles of Beer
75th
47th
Abundant Numbers
49th
Abundant Numbers (Long)
40th
Arabic to Roman
44th
12th
Arithmetic Numbers
24th
Arrows
20th
ASCII Table
30th
brainfuck
23rd
Catalan Numbers
292nd12th
Catalan’s Constant
17th
11th
Christmas Trees
38th
Collatz
40th
CSS Colors
14th
Cubes
10th
Diamonds
25th
Divisors
64th
55th
Emirp Numbers
26th
Emirp Numbers (Long)
18th
Emojify
16th
Evil Numbers
41st
Evil Numbers (Long)
32nd
Factorial Factorisation
15th
Fibonacci
142nd
100th
Fizz Buzz
87th
99th
Foo Fizz Buzz Bar
42nd
28th
Fractions
42nd
20th
Gijswijt’s Sequence
13th
Happy Numbers
45th
Happy Numbers (Long)
24th
Hexdump
13th
Intersection
19th
Inventory Sequence
20th
ISBN
19th
Kolakoski Constant
11th
Kolakoski Sequence
21st
Leap Years
43rd
Leyland Numbers
19th
Look and Say
19th
16th
Lucky Numbers
16th
Niven Numbers
58th
52nd
Niven Numbers (Long)
20th
Number Spiral
15th
Odious Numbers
59th
40th
Odious Numbers (Long)
32nd
Ordinal Numbers
18th
Pangram Grep
32nd
Pascal’s Triangle
56th
39th
Pernicious Numbers
49th
38th
Pernicious Numbers (Long)
21st
Prime Numbers
67th
43rd
Prime Numbers (Long)
65th
36th
Proximity Grid
10th
Quine
65th
Recamán
27th
Repeating Decimals
8th
Reverse Polish Notation
21st
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
17th
Rule 110
22nd
Seven Segment
25th
Sierpiński Triangle
30th
Smith Numbers
18th
Spelling Numbers
13th
Sudoku
10th
Tongue-twisters
36th
17th
United States
16th
Vampire Numbers
15th
Van Eck Sequence
25th
15th
λ
22nd
16th
π
31st
19th
τ
22nd
13th
φ
21st
16th
√2
21st360th15th
𝑒
33rd
22nd