12 Days of Christmas
577
Abundant Numbers
598
Christmas Trees
378
Divisors
803
Emirp Numbers
294
Evil Numbers
432
Fibonacci
769
Fizz Buzz
477574
Happy Numbers
244
Leap Years
542
Morse Decoder
213
Morse Encoder
241
Niven Numbers
443
Odious Numbers
430
Ordinal Numbers
491
Pangram Grep
471
Pascal’s Triangle
523
Pernicious Numbers
321
Prime Numbers
634
Seven Segment
332
Spelling Numbers
440