12 Days of Christmas
370
Abundant Numbers
651
Abundant Numbers (Long)
714
Collatz
613
Day of Week
373
Evil Numbers
665
Evil Numbers (Long)
655
Fibonacci
473
Fizz Buzz
341
Happy Numbers (Long)
432
Hexdump
314
ISBN
506
Leap Years
396
ln 2
730
Look and Say
364
Niven Numbers
502
Niven Numbers (Long)
553
Odious Numbers
664
Odious Numbers (Long)
653
PalindromemordnilaP
580
Pernicious Numbers
331
Tongue-twisters
299