12 Days of Christmas
870
99 Bottles of Beer
719
Abundant Numbers
732
Arabic to Roman
399
Christmas Trees
732
CSS Colors
219
Cubes
452
Day of Week
652
Diamonds
395
Divisors
695
Emirp Numbers
498
Emojify
480
Evil Numbers
499
Fibonacci
719
Fizz Buzz
830992641
Happy Numbers
540
Intersection
672
Leap Years
758
Look and Say
616
Morse Decoder
316
Morse Encoder
356
Niven Numbers
821
Odious Numbers
598
Ordinal Numbers
842
Pangram Grep
592
Pascal’s Triangle
515
Pernicious Numbers
470
Poker
431
Prime Numbers
492
Quine
866
Rock-paper-scissors-Spock-lizard
703
Roman to Arabic
608
Rule 110
418
Seven Segment
627
Sierpiński Triangle
283
Spelling Numbers
688
Sudoku
320
Ten-pin Bowling
429
Tongue-twisters
639
United States
362