12 Days of Christmas
742
99 Bottles of Beer
597
Abundant Numbers
653
Arrows
489
Collatz
728
Emirp Numbers
441461
Evil Numbers (Long)
645
Fizz Buzz
739497
Foo Fizz Buzz Bar
751
Leap Years
655691755621731
Niven Numbers (Long)
815
Prime Numbers
577
Rock-paper-scissors-Spock-lizard
527
Sierpiński Triangle
99