Abundant Numbers
33rd
Abundant Numbers (Long)
33rd
Collatz
64th
Divisors
104th
Evil Numbers
114th
Evil Numbers (Long)
70th
Fibonacci
181st
Fizz Buzz
31st
Kolakoski Sequence
50th
Leap Years
203rd
Lucky Numbers
27th
Niven Numbers
137th
Odious Numbers
87th
Pernicious Numbers
90th
Prime Numbers
140th
Quine
67th
Recamán
45th
Rule 110
45th