Arithmetic Numbers
260th
Collatz
387th
Evil Numbers
242nd
Evil Numbers (Long)
152nd
Factorial Factorisation
55th
Fizz Buzz
53rd
Foo Fizz Buzz Bar
1st
Fractions
160th
Happy Numbers
512th
Leap Years
492nd
Lucky Numbers
153rd
Odious Numbers
135th
Prime Numbers
418th
Prime Numbers (Long)
188th
Tic-tac-toe
66th