12 Days of Christmas
370
Abundant Numbers
651
Abundant Numbers (Long)
715
Collatz
614
Day of Week
374
Divisors
682
Emirp Numbers
432
Evil Numbers
666
Evil Numbers (Long)
655
Fibonacci
474
Fizz Buzz
341
Happy Numbers (Long)
433
Hexdump
314
ISBN
507
Leap Years
396
ln 2
731
Look and Say
364
Niven Numbers
502
Niven Numbers (Long)
554
Odious Numbers
664
Odious Numbers (Long)
654
PalindromemordnilaP
502
Pernicious Numbers
343
Tongue-twisters
295