12 Days of Christmas
845
99 Bottles of Beer
604
Abundant Numbers
688
Arabic to Roman
594
Christmas Trees
581
Diamonds
480
Divisors
729
Emirp Numbers
497
Emojify
413
Evil Numbers
714
Fibonacci
756
Fizz Buzz
539
Happy Numbers
220
Leap Years
623
Leyland Numbers
612
Look and Say
610
Morse Decoder
338
Morse Encoder
354
Niven Numbers
666
Odious Numbers
754
Ordinal Numbers
544
Pangram Grep
643
Pascal’s Triangle
363
Pernicious Numbers
611
Poker
582
Prime Numbers
491
Rock-paper-scissors-Spock-lizard
656
Roman to Arabic
579
Rule 110
344
Seven Segment
444
Sierpiński Triangle
343
Tongue-twisters
608
United States
272
Vampire Numbers
571