12 Days of Christmas
446
99 Bottles of Beer
545531
Abundant Numbers
278
Arabic to Roman
455
Arrows
501
Christmas Trees
640
CSS Colors
108
Cubes
328
Day of Week
724
Diamonds
234
Divisors
355
Emojify
475
Fibonacci
589
Fizz Buzz
955522
Foo Fizz Buzz Bar
836
Happy Numbers
395
Leap Years
772
Look and Say
456
Niven Numbers
454
Odious Numbers
294
Ordinal Numbers
465
Pangram Grep
Pascal’s Triangle
359
Prime Numbers
259
Quine
473
Rock-paper-scissors-Spock-lizard
426
United States
233
Vampire Numbers
118
π
58