12 Days of Christmas
577
Abundant Numbers
608
Christmas Trees
383
Divisors
820
Emirp Numbers
301
Evil Numbers
436
Fibonacci
776
Fizz Buzz
478577
Happy Numbers
250
Leap Years
549
Morse Decoder
215
Morse Encoder
245
Niven Numbers
453
Odious Numbers
437
Ordinal Numbers
494
Pangram Grep
478
Pascal’s Triangle
528
Pernicious Numbers
327
Prime Numbers
637
Seven Segment
337
Spelling Numbers
440