12 Days of Christmas
416
99 Bottles of Beer
488
Abundant Numbers
639
580
Divisors
706
Emirp Numbers
198
Emojify
288
Fibonacci
622
Fizz Buzz
385511593549513514527615286446363619
Foo Fizz Buzz Bar
540
Leap Years
738
Niven Numbers
573
Odious Numbers
574
Ordinal Numbers
539
Pangram Grep
515
Pernicious Numbers
342
Prime Numbers
380
Prime Numbers (Long)
470
Tongue-twisters
323
United States