12 Days of Christmas
892
99 Bottles of Beer
879
Abundant Numbers
738
Arabic to Roman
830
Christmas Trees
847
CSS Colors
295
Divisors
935
Emirp Numbers
611
Evil Numbers
801
Fibonacci
934
Fizz Buzz
945
Happy Numbers
706
Leap Years
770
Look and Say
483
Morse Decoder
380
Niven Numbers
802
Odious Numbers
783
Ordinal Numbers
744
Pangram Grep
865
Pascalβs Triangle
548
Pernicious Numbers
686
Prime Numbers
643
Rock-paper-scissors-Spock-lizard
653
Roman to Arabic
604
Spelling Numbers
Tongue-twisters
790
United States
390