12 Days of Christmas
843
99 Bottles of Beer
632749
Abundant Numbers
279
Arabic to Roman
480
Arrows
347
Christmas Trees
544
CSS Colors
228
Cubes
428
Day of Week
679
Diamonds
236
Divisors
355
Emojify
465
Fibonacci
589
Fizz Buzz
957525
Foo Fizz Buzz Bar
842
Happy Numbers
480
Leap Years
773
Look and Say
456
Niven Numbers
456
Odious Numbers
294
Ordinal Numbers
467
Pangram Grep
Pascal’s Triangle
359
Prime Numbers
259
Quine
476
Rock-paper-scissors-Spock-lizard
538
United States
144
Vampire Numbers
132
π
58