12 Days of Christmas
423
99 Bottles of Beer
511
Abundant Numbers
676
Christmas Trees
574
CSS Colors
82
Divisors
690
Emirp Numbers
307
Evil Numbers
507
Fibonacci
589
Fizz Buzz
789
Foo Fizz Buzz Bar
718
Leap Years
554
Look and Say
330
Niven Numbers
506
Prime Numbers
500
Prime Numbers (Long)
514
Quine
521
Rock-paper-scissors-Spock-lizard
448
Spelling Numbers
251
Tongue-twisters
413
United States
132
π
462