12 Days of Christmas
409
Abundant Numbers
759
Abundant Numbers (Long)
964
Arithmetic Numbers
968
Divisors
816
Evil Numbers
596
Evil Numbers (Long)
602
Fibonacci
477
Fizz Buzz
413
Foo Fizz Buzz Bar
889
Leap Years
851
Medal Tally
576
Niven Numbers
496
Odious Numbers
589
Odious Numbers (Long)
609
Pernicious Numbers
470
Pernicious Numbers (Long)
567
Prime Numbers
609
Tongue-twisters
365