Arrows
537ASCII Table
706Christmas Trees
843Collatz
902CSS Colors
412Divisors
831Emirp Numbers
617Emojify
583Evil Numbers
712Evil Numbers (Long)
722Fibonacci
786Fizz Buzz
966Foo Fizz Buzz Bar
898Fractions
563Happy Numbers
697Happy Numbers (Long)
689Morse Decoder
653Morse Encoder
507Niven Numbers
792Niven Numbers (Long)
820Number Spiral
509Odious Numbers
717Odious Numbers (Long)
709Ordinal Numbers
880