12 Days of Christmas
397
99 Bottles of Beer
368
Abundant Numbers
698
Abundant Numbers (Long)
653
Arabic to Roman
333
Arithmetic Numbers
636
Christmas Trees
470
Collatz
754
Divisors
844
Emirp Numbers
389
Emirp Numbers (Long)
128
Emojify
422
Evil Numbers
755
Evil Numbers (Long)
739
Fibonacci
602
Fizz Buzz
848
Foo Fizz Buzz Bar
714
Happy Numbers
386
Happy Numbers (Long)
485
Leap Years
770
Look and Say
388
Lucky Numbers
520
Niven Numbers
674
Niven Numbers (Long)
738
Odious Numbers
783
Odious Numbers (Long)
766
Pascalβs Triangle
530
Pernicious Numbers
686
Pernicious Numbers (Long)
728
Tongue-twisters
399
Transpose Sentence
411
United States
632
Vampire Numbers
391