12 Days of Christmas
391
Abundant Numbers
706
Abundant Numbers (Long)
773
Christmas Trees
575
Collatz
598
Divisors
649
Evil Numbers
784
Evil Numbers (Long)
767
Fibonacci
787
Fizz Buzz
890
Foo Fizz Buzz Bar
781
Leap Years
571
Niven Numbers
693
Niven Numbers (Long)
768
Odious Numbers
766
Odious Numbers (Long)
764
Prime Numbers
552
Prime Numbers (Long)
594