12 Days of Christmas
427
99 Bottles of Beer
506
Abundant Numbers
670
590
Divisors
740
Emirp Numbers
209
Emojify
303
Fibonacci
646
Fizz Buzz
396522656572538751533661290449369639
Foo Fizz Buzz Bar
606
Leap Years
770
Niven Numbers
604
Odious Numbers
609
Ordinal Numbers
576
Pangram Grep
552
Pernicious Numbers
364
Prime Numbers
402
Prime Numbers (Long)
504
Tongue-twisters
330
United States