Arithmetic Numbers
331st
Collatz
455th
Evil Numbers
273rd
Evil Numbers (Long)
177th
Factorial Factorisation
73rd
Fizz Buzz
58th
Foo Fizz Buzz Bar
1st
Fractions
183rd
Happy Numbers
561st
Leap Years
541st
Lucky Numbers
174th
Odious Numbers
153rd
Prime Numbers
461st
Prime Numbers (Long)
219th
Tic-tac-toe
88th