12 Days of Christmas
790
99 Bottles of Beer
708
Abundant Numbers
660
Christmas Trees
558
CSS Colors
165
Divisors
675
Emirp Numbers
338
Evil Numbers
493
Fibonacci
578
Fizz Buzz
782
Foo Fizz Buzz Bar
704
Leap Years
543
Look and Say
318
Niven Numbers
495
Prime Numbers
486
Prime Numbers (Long)
493
Quine
503
Rock-paper-scissors-Spock-lizard
502
Spelling Numbers
383
Tongue-twisters
608
United States
141
π
448