12 Days of Christmas
35th
99 Bottles of Beer
15th
Abundant Numbers
40th
brainfuck
33rd
Christmas Trees
5th
Cubes
11th
Diamonds
20th
Divisors
89th
Emirp Numbers
20th
Evil Numbers
32nd
Fibonacci
764th1st
Fizz Buzz
136th
Happy Numbers
24th
Leap Years
30th
Morse Encoder
12th
Niven Numbers
47th
Odious Numbers
31st
Ordinal Numbers
24th
Pangram Grep
Pascal’s Triangle
20th
Pernicious Numbers
33rd
Prime Numbers
43rd
Quine
1st
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
Rule 110
12th
Seven Segment
14th
Sierpiński Triangle
24th
λ
7th
π
58th
15th
τ
9th
φ
12th
√2
10th
𝑒
13th