12 Days of Christmas
119th
99 Bottles of Beer
128th
Abundant Numbers
75th
brainfuck
20th
Christmas Trees
25th7th7th
78th
CSS Colors
Cubes
22nd
Day of Week
1st
Diamonds
6th
Divisors
17th
Emirp Numbers
20th
Evil Numbers
57th
Fibonacci
39th
Fizz Buzz
38th
Foo Fizz Buzz Bar
55th
Happy Numbers
26th
Leap Years
79th
Leyland Numbers
6th170th
Morse Decoder
8th
Morse Encoder
20th
Niven Numbers
76th
Odious Numbers
57th
Ordinal Numbers
13th
Pangram Grep
13th
Pascal’s Triangle
6th
Pernicious Numbers
55th
Prime Numbers
79th
Quine
12th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
31st
Seven Segment
22nd
Sierpiński Triangle
17th
Spelling Numbers
14th
Sudoku
4th
United States