Arithmetic Numbers
267th
Collatz
399th
Evil Numbers
243rd
Evil Numbers (Long)
154th
Factorial Factorisation
57th
Fizz Buzz
53rd
Foo Fizz Buzz Bar
1st
Fractions
162nd
Happy Numbers
524th
Leap Years
501st
Lucky Numbers
156th
Odious Numbers
135th
Prime Numbers
423rd
Prime Numbers (Long)
191st
Tic-tac-toe
68th