Abundant Numbers
33rd
Abundant Numbers (Long)
32nd
Collatz
61st
Divisors
97th
Evil Numbers
104th
Evil Numbers (Long)
62nd
Fibonacci
175th
Fizz Buzz
31st
Kolakoski Sequence
48th
Leap Years
197th
Lucky Numbers
25th
Niven Numbers
133rd
Odious Numbers
76th
Pernicious Numbers
84th
Prime Numbers
136th
Quine
65th
Recamán
42nd
Rule 110
43rd