12 Days of Christmas
416
99 Bottles of Beer
489
Abundant Numbers
635
578
Divisors
698
Emirp Numbers
196
Emojify
284
Fibonacci
620
Fizz Buzz
382510591548510512526613284445360618
Foo Fizz Buzz Bar
537
Leap Years
709
Niven Numbers
567
Odious Numbers
571
Ordinal Numbers
538
Pangram Grep
509
Pernicious Numbers
340
Prime Numbers
380
Prime Numbers (Long)
469
Tongue-twisters
323
United States