12 Days of Christmas
114th
99 Bottles of Beer
110th
Abundant Numbers
39th
Arabic to Roman
10th
brainfuck
16th
Christmas Trees
47th
CSS Colors
50th
Diamonds
16th
Divisors
33rd
Emirp Numbers
44th
Evil Numbers
49th
Fibonacci
86th
Fizz Buzz
62nd
Happy Numbers
25th
Leap Years
32nd
Leyland Numbers
25th
Morse Decoder
19th
Morse Encoder
18th
Niven Numbers
32nd
Odious Numbers
42nd
Ordinal Numbers
Pangram Grep
18th
Pascal’s Triangle
36th
Pernicious Numbers
37th
Prime Numbers
25th
Quine
12th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
20th
Rule 110
22nd
Seven Segment
21st
Sierpiński Triangle
20th
Spelling Numbers
8th
Sudoku
United States
λ
13th
π
13th
τ
11th
φ
17th
√2
17th
𝑒
20th