Collatz
967
Divisors
848
Evil Numbers
636903
Evil Numbers (Long)
752817938
Farey Sequence
648
Fibonacci
853
Fizz Buzz
764
Fractions
571
Gray Code Decoder
696
Gray Code Encoder
862
Happy Numbers
545
Happy Numbers (Long)
791
Leap Years
812
Look and Say
908
Niven Numbers
984
Odious Numbers (Long)
910
Quine
1,000
Recamán
758
Reverse Polish Notation
936
United States
236