12 Days of Christmas
343
99 Bottles of Beer
341
Abundant Numbers
625
Arrows
374
Collatz
656
Emirp Numbers
362348
Evil Numbers (Long)
644
Fizz Buzz
674495
Foo Fizz Buzz Bar
596
Leap Years
653714772619730
Niven Numbers (Long)
812
Prime Numbers
577
Rock-paper-scissors-Spock-lizard
348
Sierpiński Triangle
131