99 Bottles of Beer
628
Abundant Numbers
559
Arabic to Roman
385
Christmas Trees
684781
829
786
851
Divisors
611
773
670
Evil Numbers
688
733
625
Fibonacci
746
771897610
Fizz Buzz
341730
910606801
Happy Numbers
451
335
Leap Years
817
880913703785615
667
Niven Numbers
594
Ordinal Numbers
427
Pascalβs Triangle
415
Pernicious Numbers
578
645
491
Prime Numbers
554
484
912
Prime Numbers (Long)
973
Quine
574
Rock-paper-scissors-Spock-lizard
511
Roman to Arabic
486
United States
230
Van Eck Sequence
671