12 Days of Christmas
399
Abundant Numbers
719
Abundant Numbers (Long)
893
Arithmetic Numbers
892
Divisors
770
Evil Numbers
563
Evil Numbers (Long)
562
Fibonacci
458
Fizz Buzz
403
Foo Fizz Buzz Bar
845
Leap Years
784
Medal Tally
510
Niven Numbers
465
Odious Numbers
552
Odious Numbers (Long)
564
Pernicious Numbers
438
Pernicious Numbers (Long)
518
Prime Numbers
576
Tongue-twisters
357