12 Days of Christmas
790
99 Bottles of Beer
709
Abundant Numbers
659
Christmas Trees
557
CSS Colors
165
Divisors
675
Emirp Numbers
337
Evil Numbers
492
Fibonacci
578
Fizz Buzz
782
Foo Fizz Buzz Bar
703
Leap Years
543
Look and Say
317
Niven Numbers
494
Prime Numbers
485
Prime Numbers (Long)
492
Quine
505
Rock-paper-scissors-Spock-lizard
501
Spelling Numbers
383
Tongue-twisters
612
United States
141
π
447