12 Days of Christmas
78699 Bottles of Beer
701Abundant Numbers
789
743Arabic to Roman
534Christmas Trees
618Diamonds
453Divisors
814Emirp Numbers
493Evil Numbers
800Fibonacci
837Fizz Buzz
598Happy Numbers
413Leap Years
717Niven Numbers
880Odious Numbers
800Pascalβs Triangle
519Pernicious Numbers
702Prime Numbers
597Quine
969Roman to Arabic
424Seven Segment
624Spelling Numbers
386Ο
310