Abundant Numbers
32nd
Abundant Numbers (Long)
30th
Collatz
55th
Divisors
94th
Evil Numbers
103rd
Evil Numbers (Long)
61st
Fibonacci
172nd
Fizz Buzz
31st
Kolakoski Sequence
47th
Leap Years
191st
Lucky Numbers
24th
Niven Numbers
127th
Odious Numbers
74th
Pernicious Numbers
77th
Prime Numbers
131st
Quine
63rd
RecamΓ‘n
39th
Rule 110
41st