12 Days of Christmas
791
99 Bottles of Beer
705
Abundant Numbers
652
Christmas Trees
553
CSS Colors
166
Divisors
669
Emirp Numbers
336
Evil Numbers
491
Fibonacci
576
Fizz Buzz
778
Foo Fizz Buzz Bar
699
Leap Years
528
Look and Say
314
Niven Numbers
488
Prime Numbers
485
Prime Numbers (Long)
490
Quine
504
Rock-paper-scissors-Spock-lizard
496
Spelling Numbers
377
Tongue-twisters
606
United States
139
π
446