12 Days of Christmas
840
Abundant Numbers
668
Christmas Trees
378
Divisors
803
Emirp Numbers
530
Evil Numbers
480
Fibonacci
769
Fizz Buzz
522574
Happy Numbers
403
Leap Years
544
Morse Decoder
215
Morse Encoder
279
Niven Numbers
453
Odious Numbers
477
Ordinal Numbers
491
Pangram Grep
471
Pascal’s Triangle
523
Pernicious Numbers
321
Prime Numbers
809
Seven Segment
346
Spelling Numbers
440