IsaacAlexBarden
Arithmetic Numbers
626
Collatz
707
Evil Numbers
872
Evil Numbers (Long)
850
Factorial Factorisation
505
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
584
Happy Numbers
362
Leap Years
718
Lucky Numbers
521
Odious Numbers
852
Prime Numbers
654
Prime Numbers (Long)
690
Tic-tac-toe
460