12 Days of Christmas
80799 Bottles of Beer
617Abundant Numbers
712Arabic to Roman
556Christmas Trees
739Diamonds
545Divisors
722Emirp Numbers
607Evil Numbers
588Fibonacci
750Fizz Buzz
630Happy Numbers
646Leap Years
729Niven Numbers
647Odious Numbers
615Ordinal Numbers
794Pangram Grep
585Pascalβs Triangle
524Pernicious Numbers
519Prime Numbers
571Quine
969