99 Bottles of Beer
302
Abundant Numbers
492
Arabic to Roman
278
Christmas Trees
669774
822
764
798
Divisors
605
766
616
Evil Numbers
661
732
621
Fibonacci
728
768894603
Fizz Buzz
334726
905599696
Happy Numbers
330
259
Leap Years
799
529887697772597
543
Niven Numbers
569
Ordinal Numbers
415
Pascal’s Triangle
417
Pernicious Numbers
563
639
481
Prime Numbers
544
483
912
Prime Numbers (Long)
971
Quine
572
Rock-paper-scissors-Spock-lizard
356
Roman to Arabic
361
United States
163
Van Eck Sequence
642