Abundant Numbers
34th
Abundant Numbers (Long)
35th
Collatz
65th
Divisors
98th
Evil Numbers
106th
Evil Numbers (Long)
62nd
Fibonacci
178th
Fizz Buzz
32nd
Kolakoski Sequence
48th
Leap Years
198th
Lucky Numbers
25th
Niven Numbers
134th
Odious Numbers
77th
Pernicious Numbers
85th
Prime Numbers
137th
Quine
65th
Recamán
43rd
Rule 110
44th