12 Days of Christmas
368
99 Bottles of Beer
321
Abundant Numbers
623
Arabic to Roman
443
Christmas Trees
587
Cubes
432
Diamonds
483
Divisors
811
Emirp Numbers
464
Evil Numbers
665
Fibonacci
909
Fizz Buzz
709
Happy Numbers
504
Leap Years
563
Leyland Numbers
624
Morse Decoder
243
Morse Encoder
270
Niven Numbers
641
Odious Numbers
662
Ordinal Numbers
596
Pangram Grep
616
Pascal’s Triangle
726
Pernicious Numbers
590
Prime Numbers
537
Quine
946
Rock-paper-scissors-Spock-lizard
465
Roman to Arabic
444
Rule 110
411
Seven Segment
515
Sierpiński Triangle
540
Sudoku
327
United States