12 Days of Christmas
416
99 Bottles of Beer
488
Abundant Numbers
640
581
Divisors
706
Emirp Numbers
199
Emojify
288
Fibonacci
623
Fizz Buzz
385511593549514514527616286446363619
Foo Fizz Buzz Bar
540
Leap Years
738
Niven Numbers
573
Odious Numbers
574
Ordinal Numbers
540
Pangram Grep
515
Pernicious Numbers
342
Prime Numbers
380
Prime Numbers (Long)
471
Tongue-twisters
323
United States