12 Days of Christmas
31st
99 Bottles of Beer
13th
Abundant Numbers
36th
brainfuck
31st
Christmas Trees
5th
Cubes
9th
Diamonds
18th
Divisors
83rd
Emirp Numbers
20th
Evil Numbers
30th
Fibonacci
716th1st
Fizz Buzz
133rd
Happy Numbers
21st
Leap Years
26th
Morse Encoder
9th
Niven Numbers
44th
Odious Numbers
28th
Ordinal Numbers
22nd
Pangram Grep
Pascal’s Triangle
23rd
Pernicious Numbers
31st
Prime Numbers
39th
Quine
1st
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
Rule 110
12th
Seven Segment
12th
Sierpiński Triangle
22nd
λ
7th
π
53rd
14th
τ
9th
φ
15th
√2
8th
𝑒
14th