12 Days of Christmas
691
99 Bottles of Beer
600
Abundant Numbers
698
Abundant Numbers (Long)
697
Arabic to Roman
522
Arithmetic Numbers
721
Christmas Trees
571
Collatz
755
Divisors
844
Emirp Numbers
510
Emirp Numbers (Long)
223
Emojify
422
Evil Numbers
818
Evil Numbers (Long)
800
Fibonacci
602
Fizz Buzz
848
Foo Fizz Buzz Bar
715
Happy Numbers
486
Happy Numbers (Long)
494
Leap Years
770
Look and Say
528
Lucky Numbers
595
Niven Numbers
675
Niven Numbers (Long)
739
Odious Numbers
852
Odious Numbers (Long)
831
Pascal’s Triangle
602
Pernicious Numbers
738
Pernicious Numbers (Long)
776
Tongue-twisters
661
Transpose Sentence
567
United States
760
Vampire Numbers
572