12 Days of Christmas
576
Abundant Numbers
607
Christmas Trees
382
Divisors
818
Emirp Numbers
301
Evil Numbers
435
Fibonacci
775
Fizz Buzz
478577
Happy Numbers
249
Leap Years
617
Morse Decoder
216
Morse Encoder
280
Niven Numbers
452
Odious Numbers
436
Ordinal Numbers
506
Pangram Grep
476
Pascal’s Triangle
527
Pernicious Numbers
326
Prime Numbers
637
Seven Segment
335
Spelling Numbers
439