99 Bottles of Beer
633
Abundant Numbers
586
Arabic to Roman
405
Christmas Trees
716821
854
817
921
Divisors
632
790
698
Evil Numbers
718
755
659
Fibonacci
767
786935632
Fizz Buzz
348742
918620808
Happy Numbers
475
351
Leap Years
844
927932733806639
683
Niven Numbers
609
Ordinal Numbers
438
Pascalβs Triangle
452
Pernicious Numbers
608
667
511
Prime Numbers
578
509
930
Prime Numbers (Long)
1,000
Quine
600
Rock-paper-scissors-Spock-lizard
522
Roman to Arabic
513
United States
234
Van Eck Sequence
717