12 Days of Christmas
870
99 Bottles of Beer
648
Abundant Numbers
739
Abundant Numbers (Long)
756
Arabic to Roman
481
Arithmetic Numbers
768
Christmas Trees
549
Collatz
919
Divisors
905
Emirp Numbers
489
Emirp Numbers (Long)
160
Emojify
429
Evil Numbers
833
Evil Numbers (Long)
820
Fibonacci
610
Fizz Buzz
935
Foo Fizz Buzz Bar
912
Happy Numbers
508
Happy Numbers (Long)
590
Leap Years
782
Look and Say
497
Lucky Numbers
557
Niven Numbers
688
Niven Numbers (Long)
758
Odious Numbers
870
Odious Numbers (Long)
854
Pascal’s Triangle
600
Pernicious Numbers
755
Pernicious Numbers (Long)
813
Tongue-twisters
713
Transpose Sentence
547
United States
823
Vampire Numbers
546