99 Bottles of Beer
628
Abundant Numbers
559
Arabic to Roman
384
Christmas Trees
683782
829
786
851
Divisors
611
773
669
Evil Numbers
688
733
625
Fibonacci
745
770896610
Fizz Buzz
341729
910605801
Happy Numbers
451
335
Leap Years
817
880913702785615
667
Niven Numbers
594
Ordinal Numbers
427
Pascalβs Triangle
415
Pernicious Numbers
577
644
491
Prime Numbers
554
483
912
Prime Numbers (Long)
972
Quine
574
Rock-paper-scissors-Spock-lizard
511
Roman to Arabic
486
United States
230
Van Eck Sequence
671