Arithmetic Numbers
374th
Collatz
503rd
Evil Numbers
294th
Evil Numbers (Long)
198th
Factorial Factorisation
101st
Fizz Buzz
238th
Foo Fizz Buzz Bar
149th
Fractions
236th
Happy Numbers
596th
Leap Years
587th
Lucky Numbers
209th
Odious Numbers
176th
Prime Numbers
507th
Prime Numbers (Long)
266th
Tic-tac-toe
120th