12 Days of Christmas
789
Abundant Numbers
668
Christmas Trees
361
Divisors
804
Emirp Numbers
532
Evil Numbers
480
Fibonacci
770
Fizz Buzz
522574
Happy Numbers
403
Leap Years
544
Morse Decoder
215
Morse Encoder
279
Niven Numbers
454
Odious Numbers
477
Ordinal Numbers
491
Pangram Grep
472
Pascal’s Triangle
524
Pernicious Numbers
322
Prime Numbers
809
Seven Segment
347
Spelling Numbers
440