12 Days of Christmas
619
771
99 Bottles of Beer
775
624
Abundant Numbers
765
Abundant Numbers (Long)
827
Arabic to Roman
628
Arithmetic Numbers
771
Arrows
296
Card Number Validation
662
Christmas Trees
207
Collatz
801
701
CSS Colors
202
Diamonds
337
176
Divisors
800
Emirp Numbers
574
Emirp Numbers (Long)
626
Evil Numbers
836
Evil Numbers (Long)
855
719
Fibonacci
940
900
Fizz Buzz
888
Foo Fizz Buzz Bar
488
Fractions
627
Happy Numbers
609
ISBN
676
Niven Numbers
844
721
Number Spiral
285
Odious Numbers
845
727
Odious Numbers (Long)
846
719
Pernicious Numbers
754
Pernicious Numbers (Long)
794
Prime Numbers
748
465
Prime Numbers (Long)
779
Rock-paper-scissors-Spock-lizard
494
Tongue-twisters
633
π
130
33
165
64