12 Days of Christmas
691
Abundant Numbers
807
Abundant Numbers (Long)
918
Arithmetic Numbers
904
Divisors
779
Evil Numbers
576
Evil Numbers (Long)
575
Fibonacci
460
Fizz Buzz
406
Foo Fizz Buzz Bar
857
Leap Years
789
Medal Tally
544
Niven Numbers
489
Odious Numbers
576
Odious Numbers (Long)
569
Pernicious Numbers
442
Pernicious Numbers (Long)
536
Prime Numbers
674
Tongue-twisters
591