12 Days of Christmas
439355
99 Bottles of Beer
775358
Abundant Numbers
758
Abundant Numbers (Long)
820
Arabic to Roman
628
Arithmetic Numbers
771
Arrows
336
Card Number Validation
662
Christmas Trees
207
Collatz
801588
CSS Colors
111
Diamonds
337147
Divisors
800
Emirp Numbers
450
Emirp Numbers (Long)
621
Evil Numbers
828
Evil Numbers (Long)
846719
Fibonacci
940900
Fizz Buzz
888
Foo Fizz Buzz Bar
488
Fractions
627
Happy Numbers
517
ISBN
676
Niven Numbers
844721
Number Spiral
231
Odious Numbers
845727
Odious Numbers (Long)
846719
Pernicious Numbers
754
Pernicious Numbers (Long)
787
Prime Numbers
720465
Prime Numbers (Long)
771
Rock-paper-scissors-Spock-lizard
444
Tongue-twisters
428
π
1302716357