12 Days of Christmas
862
99 Bottles of Beer
644
Abundant Numbers
727
Abundant Numbers (Long)
737
Arabic to Roman
466
Arithmetic Numbers
745
Christmas Trees
540
Collatz
899
Divisors
890
Emirp Numbers
479
Emirp Numbers (Long)
154
Emojify
420
Evil Numbers
755
Evil Numbers (Long)
739
Fibonacci
602
Fizz Buzz
929
Foo Fizz Buzz Bar
899
Happy Numbers
497
Happy Numbers (Long)
572
Leap Years
770
Look and Say
476
Lucky Numbers
549
Niven Numbers
676
Niven Numbers (Long)
740
Odious Numbers
783
Odious Numbers (Long)
765
Pascalβs Triangle
572
Pernicious Numbers
686
Pernicious Numbers (Long)
742
Tongue-twisters
708
Transpose Sentence
516
United States
887
Vampire Numbers
529