Abundant Numbers
684
Arabic to Roman
799
Divisors
806
Evil Numbers
726
Fibonacci
864
Fizz Buzz
820
Happy Numbers
629
Kolakoski Sequence
686
Leap Years
755
Niven Numbers
716
Odious Numbers
751
Ordinal Numbers
769
Pangram Grep
820
Pernicious Numbers
660
Prime Numbers
622
Quine
945
Recamán
799
Seven Segment
793
United States
Van Eck Sequence
749
π
341