12 Days of Christmas
397
Abundant Numbers
695
Arabic to Roman
541
Catalan Numbers
836
Christmas Trees
705
Diamonds
545
Divisors
837
Emirp Numbers
489
Evil Numbers
527585
Fibonacci
932
Fizz Buzz
890
Foo Fizz Buzz Bar
783
ISBN
597
Leap Years
728
Niven Numbers
715
Odious Numbers
529
Ordinal Numbers
604
Pascal’s Triangle
772
Prime Numbers
577
Prime Numbers (Long)
610
Quine
945
Rock-paper-scissors-Spock-lizard
535
Seven Segment
607
Van Eck Sequence
709