12 Days of Christmas
370
Abundant Numbers
651
Abundant Numbers (Long)
716
Collatz
614
Day of Week
375
Divisors
682
Emirp Numbers
432
Evil Numbers
666
Evil Numbers (Long)
656
Fibonacci
474
Fizz Buzz
342
Happy Numbers (Long)
433
Hexdump
314
ISBN
507
Leap Years
396
ln 2
733
Look and Say
364
Niven Numbers
502
Niven Numbers (Long)
555
Odious Numbers
664
Odious Numbers (Long)
654
PalindromemordnilaP
504
Pernicious Numbers
343
Tongue-twisters
295