Collatz
313th
Divisors
2,531st
Evil Numbers
3,190th1,179th
Evil Numbers (Long)
1,821st1,322nd694th
Farey Sequence
828th
Fibonacci
4,123rd
Fizz Buzz
6,223rd
Fractions
1,604th
Gray Code Decoder
607th
Gray Code Encoder
697th
Happy Numbers
1,741st
Happy Numbers (Long)
902nd
Leap Years
2,001st
Look and Say
471st
Niven Numbers
669th
Odious Numbers (Long)
877th
Quine
1,470th
Recamán
939th
Reverse Polish Notation
252nd
United States
1,023rd