12 Days of Christmas
569th
99 Bottles of Beer
465th
Christmas Trees
291st
Cubes
169th
Divisors
1st
Evil Numbers
734th
Fizz Buzz
1,639th
Happy Numbers
531st
Leap Years
1,015th
Morse Decoder
181st
Pascal’s Triangle
434th
Prime Numbers
952nd
Quine
882nd
Rock-paper-scissors-Spock-lizard
227th
Seven Segment
403rd
United States
288th
√2
515th