12 Days of Christmas
380
99 Bottles of Beer
321
Abundant Numbers
625
Arabic to Roman
442
Christmas Trees
590
Cubes
452
Diamonds
485
Divisors
831
Emirp Numbers
466
Evil Numbers
665
Fibonacci
910
Fizz Buzz
711
Happy Numbers
506
Leap Years
564
Leyland Numbers
629
Morse Decoder
248
Morse Encoder
275
Niven Numbers
644
Odious Numbers
664
Ordinal Numbers
624
Pangram Grep
618
Pascal’s Triangle
728
Pernicious Numbers
592
Prime Numbers
537
Quine
946
Rock-paper-scissors-Spock-lizard
467
Roman to Arabic
446
Rule 110
416
Seven Segment
524
Sierpiński Triangle
545
Sudoku
329
United States