12 Days of Christmas
541st
99 Bottles of Beer
447th
Christmas Trees
275th
Cubes
163rd
Divisors
1st
Evil Numbers
709th
Fizz Buzz
1,607th
Happy Numbers
519th
Leap Years
995th
Morse Decoder
175th
Pascal’s Triangle
412th
Prime Numbers
925th
Quine
858th
Rock-paper-scissors-Spock-lizard
220th
Seven Segment
393rd
United States
283rd
√2
491st