12 Days of Christmas
619771
99 Bottles of Beer
775624
Abundant Numbers
765
Abundant Numbers (Long)
827
Arabic to Roman
628
Arithmetic Numbers
771
Arrows
296
Card Number Validation
662
Christmas Trees
207
Collatz
801701
CSS Colors
202
Diamonds
337176
Divisors
800
Emirp Numbers
574
Emirp Numbers (Long)
626
Evil Numbers
836
Evil Numbers (Long)
855719
Fibonacci
940900
Fizz Buzz
888
Foo Fizz Buzz Bar
488
Fractions
627
Happy Numbers
609
ISBN
676
Niven Numbers
844721
Number Spiral
285
Odious Numbers
845727
Odious Numbers (Long)
846719
Pernicious Numbers
754
Pernicious Numbers (Long)
794
Prime Numbers
748465
Prime Numbers (Long)
779
Rock-paper-scissors-Spock-lizard
494
Tongue-twisters
633
π
1303316564