12 Days of Christmas
870
99 Bottles of Beer
719
Abundant Numbers
732
Arabic to Roman
399
Christmas Trees
732
CSS Colors
219
Cubes
453
Day of Week
655
Diamonds
396
Divisors
695
Emirp Numbers
499
Emojify
480
Evil Numbers
500
Fibonacci
720
Fizz Buzz
585992641
Happy Numbers
540
Intersection
641
Leap Years
740
Look and Say
616
Morse Decoder
316
Morse Encoder
356
Niven Numbers
821
Odious Numbers
598
Ordinal Numbers
842
Pangram Grep
593
Pascal’s Triangle
515
Pernicious Numbers
470
Poker
432
Prime Numbers
493
Quine
867
Rock-paper-scissors-Spock-lizard
703
Roman to Arabic
609
Rule 110
418
Seven Segment
628
Sierpiński Triangle
283
Spelling Numbers
688
Sudoku
320
Ten-pin Bowling
431
Tongue-twisters
635
United States
359