12 Days of Christmas
308
99 Bottles of Beer
363
Abundant Numbers
425
602
546
Arabic to Roman
208
Christmas Trees
559
Divisors
673
508
Emirp Numbers
439
Evil Numbers
510
Fibonacci
845
688
Fizz Buzz
511
598
862
606
Foo Fizz Buzz Bar
738
Happy Numbers
517
Happy Numbers (Long)
623
Leap Years
651
Leyland Numbers
468
Look and Say
461
Niven Numbers
799
Odious Numbers
508
Pernicious Numbers
379
Prime Numbers
688
Prime Numbers (Long)
737
RecamΓ‘n
554
Smith Numbers
430
Van Eck Sequence
387