12 Days of Christmas
661
838
99 Bottles of Beer
720738
CSS Colors
252
Cubes
375
Diamonds
423
Divisors
837
Evil Numbers
553
Fizz Buzz
864772895
Leap Years
755
Look and Say
506
Medal Tally
591
Rock-paper-scissors-Spock-lizard
Spelling Numbers
611
Tongue-twisters
748
United States
216
Zodiac Signs