Arithmetic Numbers
335th
Collatz
458th
Evil Numbers
275th
Evil Numbers (Long)
179th
Factorial Factorisation
74th
Fizz Buzz
59th
Foo Fizz Buzz Bar
1st
Fractions
189th
Happy Numbers
564th
Leap Years
546th
Lucky Numbers
176th
Odious Numbers
156th
Prime Numbers
463rd
Prime Numbers (Long)
222nd
Tic-tac-toe
94th