Collatz
906
Divisors
794
Evil Numbers
610849
Evil Numbers (Long)
654772871
Farey Sequence
596
Fibonacci
815
Fizz Buzz
739
Fractions
515
Gray Code Decoder
595
Gray Code Encoder
747
Happy Numbers
506
Happy Numbers (Long)
717
Leap Years
770
Look and Say
822
Niven Numbers
916
Odious Numbers (Long)
836
Quine
941
Recamán
694
Reverse Polish Notation
832
United States
214