12 Days of Christmas
332
99 Bottles of Beer
341
Abundant Numbers
623
Arrows
372
Collatz
633
Emirp Numbers
361346
Evil Numbers (Long)
643
Fizz Buzz
673494
Foo Fizz Buzz Bar
595
Leap Years
640688750615728
Niven Numbers (Long)
806
Prime Numbers
577
Rock-paper-scissors-Spock-lizard
347
Sierpiński Triangle
129