99 Bottles of Beer
626
Abundant Numbers
543
Arabic to Roman
382
Christmas Trees
668774
822
765
837
Divisors
605
766
650
Evil Numbers
661
732
620
Fibonacci
744
768893602
Fizz Buzz
335726
906600789
Happy Numbers
447
327
Leap Years
800
538887698774598
656
Niven Numbers
568
Ordinal Numbers
421
Pascal’s Triangle
417
Pernicious Numbers
574
639
481
Prime Numbers
554
482
912
Prime Numbers (Long)
971
Quine
572
Rock-paper-scissors-Spock-lizard
494
Roman to Arabic
476
United States
224
Van Eck Sequence
661