12 Days of Christmas
36th
99 Bottles of Beer
15th
Abundant Numbers
41st
brainfuck
33rd
Christmas Trees
5th
Cubes
11th
Diamonds
20th
Divisors
91st
Emirp Numbers
21st
Evil Numbers
32nd
Fibonacci
771st1st
Fizz Buzz
138th
Happy Numbers
26th
Leap Years
35th
Morse Encoder
12th
Niven Numbers
50th
Odious Numbers
31st
Ordinal Numbers
24th
Pangram Grep
Pascal’s Triangle
21st
Pernicious Numbers
38th
Prime Numbers
46th
Quine
1st
Rock-paper-scissors-Spock-lizard
12th
Roman to Arabic
Rule 110
12th
Seven Segment
15th
Sierpiński Triangle
25th
λ
8th
π
59th
15th
τ
10th
φ
12th
√2
10th
𝑒
13th