99 Bottles of Beer
302
Abundant Numbers
502
Arabic to Roman
282
Christmas Trees
680778
826
777
844
Divisors
611
773
635
Evil Numbers
675
733
625
Fibonacci
729
770896610
Fizz Buzz
337727
908602703
Happy Numbers
332
264
Leap Years
816
861912701782614
554
Niven Numbers
585
Ordinal Numbers
419
Pascalβs Triangle
415
Pernicious Numbers
565
644
491
Prime Numbers
543
483
912
Prime Numbers (Long)
972
Quine
574
Rock-paper-scissors-Spock-lizard
365
Roman to Arabic
369
United States
166
Van Eck Sequence
671