12 Days of Christmas
843
Abundant Numbers
734
Abundant Numbers (Long)
871
Christmas Trees
659
Collatz
684
Divisors
686
Evil Numbers
784
Evil Numbers (Long)
767
Fibonacci
787
Fizz Buzz
973
Foo Fizz Buzz Bar
981
Leap Years
571
Niven Numbers
693
Niven Numbers (Long)
768
Odious Numbers
766
Odious Numbers (Long)
764
Prime Numbers
552
Prime Numbers (Long)
594