12 Days of Christmas
863
99 Bottles of Beer
644
Abundant Numbers
728
Abundant Numbers (Long)
737
Arabic to Roman
467
Arithmetic Numbers
746
Christmas Trees
540
Collatz
899
Divisors
890
Emirp Numbers
479
Emirp Numbers (Long)
154
Emojify
420
Evil Numbers
755
Evil Numbers (Long)
740
Fibonacci
602
Fizz Buzz
929
Foo Fizz Buzz Bar
899
Happy Numbers
498
Happy Numbers (Long)
572
Leap Years
770
Look and Say
476
Lucky Numbers
540
Niven Numbers
676
Niven Numbers (Long)
740
Odious Numbers
783
Odious Numbers (Long)
766
Pascalβs Triangle
572
Pernicious Numbers
686
Pernicious Numbers (Long)
743
Tongue-twisters
708
Transpose Sentence
518
United States
836
Vampire Numbers
530