12 Days of Christmas
827
99 Bottles of Beer
604
Abundant Numbers
684
Arabic to Roman
594
Christmas Trees
578
Diamonds
476
Divisors
725
Emirp Numbers
488
Emojify
412
Evil Numbers
713
Fibonacci
754
Fizz Buzz
537
Happy Numbers
219
Leap Years
622
Leyland Numbers
607
Look and Say
606
Morse Decoder
337
Morse Encoder
348
Niven Numbers
660
Odious Numbers
751
Ordinal Numbers
537
Pangram Grep
639
Pascal’s Triangle
362
Pernicious Numbers
608
Poker
561
Prime Numbers
490
Rock-paper-scissors-Spock-lizard
650
Roman to Arabic
576
Rule 110
340
Seven Segment
434
Sierpiński Triangle
340
Tongue-twisters
606
United States
268
Vampire Numbers
565