12 Days of Christmas
721
99 Bottles of Beer
581
Abundant Numbers
711
605
Divisors
705
Emirp Numbers
292
Emojify
282
Fibonacci
622
Fizz Buzz
388513595557517731529618288488405621
Foo Fizz Buzz Bar
544
Leap Years
764
Niven Numbers
595
Odious Numbers
595
Ordinal Numbers
542
Pangram Grep
516
Pernicious Numbers
341
Prime Numbers
437
Prime Numbers (Long)
477
Tongue-twisters
534
United States