12 Days of Christmas
33rd
99 Bottles of Beer
65th
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
35th
Arithmetic Numbers
Arrows
ASCII Table
brainfuck
20th
Catalan Numbers
Catalan’s Constant
14th
Christmas Trees
Collatz
CSS Colors
Cubes
Diamonds
24th
Divisors
54th
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Fibonacci
116th
Fizz Buzz
81st
Foo Fizz Buzz Bar
38th
Fractions
37th
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Kolakoski Constant
Kolakoski Sequence
20th
Leap Years
Leyland Numbers
Look and Say
17th
Lucky Numbers
Niven Numbers
49th
Niven Numbers (Long)
Number Spiral
Odious Numbers
51st
Odious Numbers (Long)
Ordinal Numbers
17th
Pangram Grep
Pascal’s Triangle
45th
Pernicious Numbers
41st
Pernicious Numbers (Long)
Prime Numbers
61st
Prime Numbers (Long)
60th
Proximity Grid
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
14th
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
12th
Sudoku
Tongue-twisters
29th
United States
Vampire Numbers
Van Eck Sequence
24th
λ
20th
π
26th
τ
20th
φ
20th
√2
20th
309th
12th
𝑒
30th