12 Days of Christmas
446
99 Bottles of Beer
546531
Abundant Numbers
276
Arabic to Roman
455
Arrows
501
Christmas Trees
636
CSS Colors
108
Cubes
310
Day of Week
726
Diamonds
233
Divisors
352
Emojify
475
Fibonacci
586
Fizz Buzz
953521
Foo Fizz Buzz Bar
836
Happy Numbers
392
Leap Years
750
Look and Say
450
Niven Numbers
450
Odious Numbers
292
Ordinal Numbers
465
Pangram Grep
Pascal’s Triangle
357
Prime Numbers
259
Quine
474
Rock-paper-scissors-Spock-lizard
426
United States
233
Vampire Numbers
118
π
58