12 Days of Christmas
841
Abundant Numbers
682
Christmas Trees
384
Divisors
817
Emirp Numbers
534
Evil Numbers
482
Fibonacci
774
Fizz Buzz
524581
Happy Numbers
409
Leap Years
619
Morse Decoder
219
Morse Encoder
288
Niven Numbers
465
Odious Numbers
482
Ordinal Numbers
Pangram Grep
477
Pascalβs Triangle
526
Pernicious Numbers
325
Prime Numbers
810
Seven Segment
350
Spelling Numbers
437