Arithmetic Numbers
299th
Collatz
425th
Evil Numbers
258th
Evil Numbers (Long)
167th
Factorial Factorisation
61st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Fractions
172nd
Happy Numbers
546th
Leap Years
520th
Lucky Numbers
165th
Odious Numbers
143rd
Prime Numbers
437th
Prime Numbers (Long)
201st
Tic-tac-toe
77th