12 Days of Christmas
374
99 Bottles of Beer
321
Abundant Numbers
623
Arabic to Roman
443
Christmas Trees
588
Cubes
434
Diamonds
483
Divisors
811
Emirp Numbers
464
Evil Numbers
665
Fibonacci
908
Fizz Buzz
710
Happy Numbers
504
Leap Years
563
Leyland Numbers
624
Morse Decoder
246
Morse Encoder
271
Niven Numbers
641
Odious Numbers
662
Ordinal Numbers
615
Pangram Grep
616
Pascal’s Triangle
726
Pernicious Numbers
590
Prime Numbers
537
Quine
945
Rock-paper-scissors-Spock-lizard
466
Roman to Arabic
444
Rule 110
411
Seven Segment
515
Sierpiński Triangle
540
Sudoku
330
United States