12 Days of Christmas
31st
99 Bottles of Beer
13th
Abundant Numbers
37th
brainfuck
31st
Christmas Trees
5th
Cubes
11th
Diamonds
19th
Divisors
84th
Emirp Numbers
20th
Evil Numbers
31st
Fibonacci
738th1st
Fizz Buzz
133rd
Happy Numbers
23rd
Leap Years
28th
Morse Encoder
9th
Niven Numbers
43rd
Odious Numbers
29th
Ordinal Numbers
23rd
Pangram Grep
Pascal’s Triangle
19th
Pernicious Numbers
29th
Prime Numbers
41st
Quine
1st
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
Rule 110
12th
Seven Segment
12th
Sierpiński Triangle
23rd
λ
7th
π
54th
13th
τ
9th
φ
10th
√2
8th
𝑒
12th