12 Days of Christmas
804
Abundant Numbers
679
Abundant Numbers (Long)
807
Collatz
732
Day of Week
466
Divisors
719
Emirp Numbers
533
Evil Numbers
666
Evil Numbers (Long)
655
Fibonacci
474
Fizz Buzz
374
Happy Numbers (Long)
510
Hexdump
468
ISBN
649
Leap Years
396
ln 2
745
Look and Say
447
Niven Numbers
503
Niven Numbers (Long)
556
Odious Numbers
664
Odious Numbers (Long)
654
PalindromemordnilaP
616
Pernicious Numbers
343
Tongue-twisters
530