12 Days of Christmas
466
99 Bottles of Beer
518
Abundant Numbers
750
Arabic to Roman
396
Christmas Trees
753
CSS Colors
109
Cubes
360
Day of Week
689
Diamonds
410
Divisors
710
Emirp Numbers
453
Emojify
375
Evil Numbers
514
Fibonacci
733
Fizz Buzz
852
1,000
651
Happy Numbers
459
Intersection
660
Leap Years
774
Look and Say
638
Morse Decoder
281
Morse Encoder
301
Niven Numbers
840
Odious Numbers
617
Ordinal Numbers
868
Pangram Grep
615
Pascal’s Triangle
536
Pernicious Numbers
486
Poker
289
Prime Numbers
507
Quine
893
Rock-paper-scissors-Spock-lizard
604
Roman to Arabic
632
Rule 110
427
Seven Segment
589
Sierpiński Triangle
285
Spelling Numbers
450
Sudoku
290
Ten-pin Bowling
395
Tongue-twisters
431
United States
339