12 Days of Christmas
338
99 Bottles of Beer
341
Abundant Numbers
623
Arrows
372
Collatz
655
Emirp Numbers
361346
Evil Numbers (Long)
643
Fizz Buzz
673493
Foo Fizz Buzz Bar
594
Leap Years
639687750615728
Niven Numbers (Long)
806
Prime Numbers
577
Rock-paper-scissors-Spock-lizard
348
Sierpiński Triangle
129