12 Days of Christmas
400
Abundant Numbers
721
Abundant Numbers (Long)
797
Christmas Trees
587
Collatz
633
Divisors
663
Evil Numbers
800
Evil Numbers (Long)
788
Fibonacci
800
Fizz Buzz
898
Foo Fizz Buzz Bar
795
Leap Years
581
Niven Numbers
710
Niven Numbers (Long)
794
Odious Numbers
784
Odious Numbers (Long)
788
Prime Numbers
563
Prime Numbers (Long)
611