12 Days of Christmas
445
99 Bottles of Beer
619
530
Abundant Numbers
277
Arabic to Roman
460
Arrows
494
Christmas Trees
639
CSS Colors
107
Cubes
327
Day of Week
720
Diamonds
234
Divisors
355
Emojify
474
Fibonacci
588
Fizz Buzz
954
522
Foo Fizz Buzz Bar
834
Happy Numbers
395
Leap Years
772
Look and Say
455
Niven Numbers
454
Odious Numbers
294
Ordinal Numbers
464
Pangram Grep
Pascalβs Triangle
359
Prime Numbers
259
Quine
475
Rock-paper-scissors-Spock-lizard
430
United States
233
Vampire Numbers
118
Ο
58