12 Days of Christmas
399
Abundant Numbers
724
Abundant Numbers (Long)
902
Arithmetic Numbers
904
Divisors
779
Evil Numbers
565
Evil Numbers (Long)
565
Fibonacci
460
Fizz Buzz
404
Foo Fizz Buzz Bar
850
Leap Years
816
Medal Tally
527
Niven Numbers
470
Odious Numbers
555
Odious Numbers (Long)
569
Pernicious Numbers
442
Pernicious Numbers (Long)
528
Prime Numbers
577
Tongue-twisters
357