12 Days of Christmas
831
99 Bottles of Beer
595
Abundant Numbers
707
ASCII Table
540
Christmas Trees
610
CSS Colors
392
Evil Numbers
714
Fibonacci
486
Fizz Buzz
476
ISBN
608
Leap Years
718
Look and Say
549
Morse Encoder
433
Niven Numbers
734
Odious Numbers
612
Pangram Grep
762
Pernicious Numbers
416
Prime Numbers
633
Reverse Polish Notation
611
Rock-paper-scissors-Spock-lizard
713
Spelling Numbers
275
Tongue-twisters
554
United States
258
Vampire Numbers
63
Van Eck Sequence
454