12 Days of Christmas
841
Abundant Numbers
724
Arabic to Roman
758
Catalan Numbers
836
Christmas Trees
808
Diamonds
651
Divisors
885
Emirp Numbers
595
Evil Numbers
528585
Fibonacci
932
Fizz Buzz
973
Foo Fizz Buzz Bar
981
ISBN
763
Leap Years
729
Niven Numbers
716
Odious Numbers
519
Ordinal Numbers
740
Pascal’s Triangle
833
Prime Numbers
577
Prime Numbers (Long)
611
Quine
945
Rock-paper-scissors-Spock-lizard
768
Seven Segment
767
Van Eck Sequence
749