12 Days of Christmas
404
Abundant Numbers
708
Abundant Numbers (Long)
776
Christmas Trees
577
Collatz
619
Divisors
664
Evil Numbers
785
Evil Numbers (Long)
768
Fibonacci
789
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Leap Years
572
Niven Numbers
696
Niven Numbers (Long)
773
Odious Numbers
768
Odious Numbers (Long)
765
Prime Numbers
552
Prime Numbers (Long)
594