12 Days of Christmas
388
Abundant Numbers
719
Abundant Numbers (Long)
894
Arithmetic Numbers
892
Divisors
771
Evil Numbers
564
Evil Numbers (Long)
562
Fibonacci
458
Fizz Buzz
403
Foo Fizz Buzz Bar
845
Leap Years
784
Medal Tally
509
Niven Numbers
466
Odious Numbers
552
Odious Numbers (Long)
565
Pernicious Numbers
439
Pernicious Numbers (Long)
518
Prime Numbers
576
Tongue-twisters
355