12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
9th
Arabic to Roman
brainfuck
7th
Christmas Trees
105th
10th
Cubes
Diamonds
14th
Divisors
135th
15th
Emirp Numbers
19th
Evil Numbers
12th
Fibonacci
28th
Fizz Buzz
70th19th191st19th61st32nd1st38th47th57th9th
202nd38th77th
Happy Numbers
20th
Leap Years
18th
Niven Numbers
37th
Odious Numbers
26th
Ordinal Numbers
Pangram Grep
11th
Pascal’s Triangle
23rd
Pernicious Numbers
27th
Prime Numbers
142nd
9th
Quine
30th
5th67th
Rock-paper-scissors-Spock-lizard
Rule 110
15th
Seven Segment
23rd
Sierpiński Triangle
Spelling Numbers
Sudoku
λ
14th
π
15th
τ
14th
φ
13th
√2
11th
𝑒
19th