12 Days of Christmas
576
Abundant Numbers
607
Christmas Trees
383
Divisors
818
Emirp Numbers
301
Evil Numbers
436
Fibonacci
775
Fizz Buzz
478577
Happy Numbers
250
Leap Years
618
Morse Decoder
216
Morse Encoder
280
Niven Numbers
453
Odious Numbers
437
Ordinal Numbers
506
Pangram Grep
478
Pascal’s Triangle
528
Pernicious Numbers
326
Prime Numbers
637
Seven Segment
335
Spelling Numbers
439