12 Days of Christmas
716
99 Bottles of Beer
595
Abundant Numbers
649
Arrows
487
Collatz
724
Emirp Numbers
439457
Evil Numbers (Long)
643
Fizz Buzz
736494
Foo Fizz Buzz Bar
747
Leap Years
652689751616729
Niven Numbers (Long)
806
Prime Numbers
577
Rock-paper-scissors-Spock-lizard
522
Sierpiński Triangle
98