12 Days of Christmas
538
99 Bottles of Beer
468
Abundant Numbers
757
Christmas Trees
688666
Divisors
943979
Emirp Numbers
752
Evil Numbers
726
Fibonacci
787
Fizz Buzz
892756
Fractions
513
Happy Numbers
875
Leap Years
742
Morse Decoder
531
Morse Encoder
686
Niven Numbers
878826
Pangram Grep
792
Pascal’s Triangle
383
Pernicious Numbers
638
Prime Numbers
784
Quine
479945
Rule 110
517
Seven Segment
619
Tongue-twisters
565
λ
212