12 Days of Christmas
804
Abundant Numbers
679
Abundant Numbers (Long)
807
Collatz
679
Day of Week
467
Divisors
719
Emirp Numbers
533
Evil Numbers
666
Evil Numbers (Long)
656
Fibonacci
474
Fizz Buzz
374
Happy Numbers (Long)
511
Hexdump
468
ISBN
649
Leap Years
396
ln 2
746
Look and Say
447
Niven Numbers
504
Niven Numbers (Long)
556
Odious Numbers
664
Odious Numbers (Long)
654
PalindromemordnilaP
617
Pernicious Numbers
343
Tongue-twisters
530