12 Days of Christmas
597
99 Bottles of Beer
457
Abundant Numbers
678
ASCII Table
426
Christmas Trees
531
CSS Colors
230
Evil Numbers
713
Fibonacci
486
Fizz Buzz
435
ISBN
474
Leap Years
718
Look and Say
447
Morse Encoder
302
Niven Numbers
731
Odious Numbers
612
Pangram Grep
645
Pernicious Numbers
416
Prime Numbers
633
Reverse Polish Notation
442
Rock-paper-scissors-Spock-lizard
488
Spelling Numbers
284
Tongue-twisters
481
United States
348
Vampire Numbers
141
Van Eck Sequence
430