12 Days of Christmas
429
99 Bottles of Beer
781
Abundant Numbers
813
Arabic to Roman
615
brainfuck
676
Christmas Trees
695
CSS Colors
689
Divisors
819
Evil Numbers
664
Fibonacci
948
Fizz Buzz
954
Leap Years
889
Leyland Numbers
669
Niven Numbers
921
Odious Numbers
674
Ordinal Numbers
898
Pangram Grep
685
Pernicious Numbers
562
Prime Numbers
671
Quine
834
Rock-paper-scissors-Spock-lizard
620
Seven Segment
610
Spelling Numbers
754
United States
λ
184
π
68