12 Days of Christmas
31st
99 Bottles of Beer
13th
Abundant Numbers
36th
brainfuck
31st
Christmas Trees
5th
Cubes
10th
Diamonds
18th
Divisors
85th
Emirp Numbers
20th
Evil Numbers
31st
Fibonacci
731st1st
Fizz Buzz
133rd
Happy Numbers
22nd
Leap Years
27th
Morse Encoder
9th
Niven Numbers
45th
Odious Numbers
29th
Ordinal Numbers
22nd
Pangram Grep
Pascal’s Triangle
23rd
Pernicious Numbers
32nd
Prime Numbers
40th
Quine
1st
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
Rule 110
12th
Seven Segment
12th
Sierpiński Triangle
23rd
λ
7th
π
55th
14th
τ
9th
φ
16th
√2
8th
𝑒
14th