12 Days of Christmas
380
99 Bottles of Beer
321
Abundant Numbers
626
Arabic to Roman
443
Christmas Trees
590
Cubes
452
Diamonds
486
Divisors
831
Emirp Numbers
466
Evil Numbers
666
Fibonacci
911
Fizz Buzz
711
Happy Numbers
507
Leap Years
565
Leyland Numbers
629
Morse Decoder
248
Morse Encoder
275
Niven Numbers
644
Odious Numbers
664
Ordinal Numbers
624
Pangram Grep
619
Pascal’s Triangle
728
Pernicious Numbers
593
Prime Numbers
538
Quine
946
Rock-paper-scissors-Spock-lizard
467
Roman to Arabic
446
Rule 110
416
Seven Segment
524
Sierpiński Triangle
546
Sudoku
330
United States