12 Days of Christmas
397
Abundant Numbers
695
Arabic to Roman
540
Catalan Numbers
836
Christmas Trees
705
Diamonds
545
Divisors
837
Emirp Numbers
489
Evil Numbers
527585
Fibonacci
932
Fizz Buzz
889
Foo Fizz Buzz Bar
781
ISBN
597
Leap Years
728
Niven Numbers
716
Odious Numbers
519
Ordinal Numbers
602
Pascal’s Triangle
772
Prime Numbers
577
Prime Numbers (Long)
611
Quine
945
Rock-paper-scissors-Spock-lizard
535
Seven Segment
607
Van Eck Sequence
709