12 Days of Christmas
898
99 Bottles of Beer
884
Abundant Numbers
750
Arabic to Roman
855
Christmas Trees
861
CSS Colors
307
Divisors
950
Emirp Numbers
624
Evil Numbers
816
Fibonacci
947
Fizz Buzz
951
Happy Numbers
721
Leap Years
782
Look and Say
497
Morse Decoder
388
Niven Numbers
815
Odious Numbers
800
Ordinal Numbers
764
Pangram Grep
889
Pascal’s Triangle
563
Pernicious Numbers
702
Prime Numbers
656
Rock-paper-scissors-Spock-lizard
662
Roman to Arabic
624
Spelling Numbers
Tongue-twisters
795
United States
375