12 Days of Christmas
399
Abundant Numbers
725
Abundant Numbers (Long)
902
Arithmetic Numbers
904
Divisors
779
Evil Numbers
565
Evil Numbers (Long)
566
Fibonacci
460
Fizz Buzz
404
Foo Fizz Buzz Bar
850
Leap Years
788
Medal Tally
528
Niven Numbers
471
Odious Numbers
556
Odious Numbers (Long)
569
Pernicious Numbers
442
Pernicious Numbers (Long)
528
Prime Numbers
578
Tongue-twisters
357