12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
9th
Arabic to Roman
brainfuck
7th
Christmas Trees
111th
11th
Cubes
Diamonds
15th
Divisors
140th
16th
Emirp Numbers
19th
Evil Numbers
12th
Fibonacci
28th
Fizz Buzz
72nd19th195th19th61st33rd1st39th47th57th9th
209th38th80th
Happy Numbers
21st
Leap Years
18th
Niven Numbers
39th
Odious Numbers
27th
Ordinal Numbers
Pangram Grep
11th
Pascal’s Triangle
23rd
Pernicious Numbers
29th
Prime Numbers
146th
9th
Quine
30th
5th72nd
Rock-paper-scissors-Spock-lizard
Rule 110
16th
Seven Segment
23rd
Sierpiński Triangle
Spelling Numbers
Sudoku
λ
14th
π
15th
τ
14th
φ
13th
√2
11th
𝑒
20th