12 Days of Christmas
848
99 Bottles of Beer
17
818
Abundant Numbers
812
Arabic to Roman
598
brainfuck
737
Christmas Trees
678
CSS Colors
208
Cubes
541
Diamonds
442
Divisors
617
870
Emirp Numbers
585
Evil Numbers
741
Fibonacci
862
Fizz Buzz
768
958
Happy Numbers
499
Leap Years
816
Leyland Numbers
610
Lucky Tickets
Morse Decoder
402
Morse Encoder
471
Niven Numbers
848
Odious Numbers
762
Ordinal Numbers
966
780
Pangram Grep
733
Pascal’s Triangle
825
Pernicious Numbers
613
Prime Numbers
900
Quine
622
854
Rock-paper-scissors-Spock-lizard
574
Roman to Arabic
463
Rule 110
584
Seven Segment
660
Sierpiński Triangle
761
Spelling Numbers
719
Sudoku
235
449
United States
352
Vampire Numbers
709
λ
203
π
τ
86
φ
√2
𝑒
637