12 Days of Christmas
830
99 Bottles of Beer
564
Abundant Numbers
662
Arabic to Roman
639
Christmas Trees
689
Cubes
622
Diamonds
593
Divisors
891
Emirp Numbers
586
Evil Numbers
678
Fibonacci
923
Fizz Buzz
784
Happy Numbers
667
Leap Years
573
Leyland Numbers
760
Morse Decoder
367
Morse Encoder
411
Niven Numbers
657
Odious Numbers
678
Ordinal Numbers
786
Pangram Grep
750
Pascal’s Triangle
806
Pernicious Numbers
606
Prime Numbers
548
Quine
969
Rock-paper-scissors-Spock-lizard
695
Roman to Arabic
609
Rule 110
496
Seven Segment
735
Sierpiński Triangle
564
Sudoku
579
United States