12 Days of Christmas
804
Abundant Numbers
679
Abundant Numbers (Long)
807
Collatz
732
Day of Week
466
Evil Numbers
665
Evil Numbers (Long)
655
Fibonacci
474
Fizz Buzz
374
Happy Numbers (Long)
510
Hexdump
467
ISBN
649
Leap Years
396
ln 2
744
Look and Say
447
Niven Numbers
503
Niven Numbers (Long)
555
Odious Numbers
664
Odious Numbers (Long)
653
PalindromemordnilaP
713
Pernicious Numbers
331
Tongue-twisters
530