12 Days of Christmas
366
Abundant Numbers
326
714
555
492
602
298
Collatz
513
724
Divisors
487
633
Emirp Numbers
355
Evil Numbers
801
Fibonacci
722
647
769
599
934
Fizz Buzz
571
Foo Fizz Buzz Bar
365
Happy Numbers
336
Happy Numbers (Long)
420
Jacobi Symbol
208
Leap Years
588
Niven Numbers
583
Niven Numbers (Long)
474
526
641
Prime Numbers
414
496
Tongue-twisters
280