12 Days of Christmas
444th
99 Bottles of Beer
687th
Abundant Numbers
694th
Arabic to Roman
193rd
Christmas Trees
364th
Cubes
101st
Diamonds
194th
Divisors
577th
Emirp Numbers
337th
Evil Numbers
871st
Fibonacci
727th
Fizz Buzz
1,411th
Happy Numbers
297th
Leap Years
859th
Leyland Numbers
232nd
Morse Decoder
148th
Morse Encoder
160th
Niven Numbers
609th
Odious Numbers
662nd
Ordinal Numbers
198th
Pangram Grep
394th
Pascal’s Triangle
221st
Pernicious Numbers
366th
Prime Numbers
799th
Quine
56th
Rock-paper-scissors-Spock-lizard
128th
Roman to Arabic
175th
Rule 110
165th
Seven Segment
105th
Sierpiński Triangle
156th
Sudoku
55th
United States