12 Days of Christmas
41st
99 Bottles of Beer
82nd
49th
Abundant Numbers
55th
Abundant Numbers (Long)
46th
Arabic to Roman
47th
15th
Arithmetic Numbers
29th
Arrows
22nd
ASCII Table
32nd
brainfuck
25th
Catalan Numbers
311th17th
Catalan’s Constant
17th
15th
Christmas Trees
42nd
Collatz
48th
CSS Colors
16th
Cubes
11th
Diamonds
29th
Divisors
67th
63rd
Emirp Numbers
28th
Emirp Numbers (Long)
22nd
Emojify
20th
Evil Numbers
45th
Evil Numbers (Long)
33rd
Factorial Factorisation
21st
Fibonacci
151st
110th
Fizz Buzz
95th
104th
Foo Fizz Buzz Bar
46th
33rd
Fractions
45th
24th
Gijswijt’s Sequence
18th
Happy Numbers
52nd
Happy Numbers (Long)
30th
Hexdump
15th
Intersection
24th
Inventory Sequence
27th
ISBN
23rd
Kolakoski Constant
16th
Kolakoski Sequence
23rd
Leap Years
51st
Leyland Numbers
21st
Look and Say
20th
19th
Lucky Numbers
19th
Niven Numbers
62nd
56th
Niven Numbers (Long)
22nd
Number Spiral
19th
Odious Numbers
66th
42nd
Odious Numbers (Long)
33rd
Ordinal Numbers
18th
Pangram Grep
35th
Pascal’s Triangle
59th
42nd
Pernicious Numbers
55th
45th
Pernicious Numbers (Long)
25th
Prime Numbers
69th
47th
Prime Numbers (Long)
69th
41st
Proximity Grid
12th
Quine
68th
Recamán
31st
Repeating Decimals
11th
Reverse Polish Notation
24th
Rock-paper-scissors-Spock-lizard
21st
Roman to Arabic
17th
Rule 110
24th
Seven Segment
27th
Sierpiński Triangle
33rd
Smith Numbers
21st
Spelling Numbers
15th
Sudoku
12th
Tongue-twisters
37th
21st
United States
19th
Vampire Numbers
16th
Van Eck Sequence
28th
18th
λ
22nd
19th
π
33rd
23rd
τ
21st
16th
φ
22nd
19th
√2
22nd388th16th
𝑒
33rd
26th