12 Days of Christmas
597
99 Bottles of Beer
457
Abundant Numbers
678
ASCII Table
425
Christmas Trees
531
CSS Colors
231
Evil Numbers
714
Fibonacci
487
Fizz Buzz
435
ISBN
475
Leap Years
718
Look and Say
447
Morse Encoder
303
Niven Numbers
732
Odious Numbers
612
Pangram Grep
646
Pernicious Numbers
416
Prime Numbers
633
Reverse Polish Notation
444
Rock-paper-scissors-Spock-lizard
488
Spelling Numbers
285
Tongue-twisters
475
United States
337
Vampire Numbers
141
Van Eck Sequence
430