12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
8th
Arabic to Roman
brainfuck
6th
Christmas Trees
101st
10th
Cubes
Diamonds
12th
Divisors
129th
14th
Emirp Numbers
19th
Evil Numbers
12th
Fibonacci
27th
Fizz Buzz
66th19th177th15th58th31st1st35th47th55th8th
179th37th69th
Happy Numbers
20th
Leap Years
18th
Niven Numbers
32nd
Odious Numbers
24th
Ordinal Numbers
Pangram Grep
10th
Pascal’s Triangle
21st
Pernicious Numbers
25th
Prime Numbers
131st
9th
Quine
28th
5th56th
Rock-paper-scissors-Spock-lizard
Rule 110
14th
Seven Segment
22nd
Sierpiński Triangle
Spelling Numbers
Sudoku
λ
14th
π
15th
τ
14th
φ
13th
√2
10th
𝑒
19th