12 Days of Christmas
721
99 Bottles of Beer
581
Abundant Numbers
710
605
Divisors
705
Emirp Numbers
291
Emojify
282
Fibonacci
621
Fizz Buzz
387
513
642
556
517
731
529
618
288
488
404
621
Foo Fizz Buzz Bar
582
Leap Years
763
Niven Numbers
594
Odious Numbers
595
Ordinal Numbers
541
Pangram Grep
515
Pernicious Numbers
341
Prime Numbers
436
Prime Numbers (Long)
476
Tongue-twisters
534
United States