12 Days of Christmas
850
99 Bottles of Beer
608
Abundant Numbers
699
Arabic to Roman
611
Christmas Trees
590
Diamonds
489
Divisors
740
Emirp Numbers
507
Emojify
421
Evil Numbers
727
Fibonacci
766
Fizz Buzz
542
Happy Numbers
225
Leap Years
632
Leyland Numbers
629
Look and Say
627
Morse Decoder
346
Morse Encoder
362
Niven Numbers
677
Odious Numbers
769
Ordinal Numbers
559
Pangram Grep
661
Pascal’s Triangle
372
Pernicious Numbers
625
Poker
597
Prime Numbers
500
Rock-paper-scissors-Spock-lizard
664
Roman to Arabic
598
Rule 110
352
Seven Segment
455
Sierpiński Triangle
350
Tongue-twisters
612
United States
278
Vampire Numbers
589