12 Days of Christmas
38th
9th
11th
99 Bottles of Beer
10th
6th
28th
Abundant Numbers
41st
Arabic to Roman
19th
11th
222nd
Arrows
144th
ASCII Table
18th
144th
brainfuck
115th
Christmas Trees
32nd
Collatz
41st
74th
Cubes
13th
3rd
Diamonds
4th
2nd
76th
Evil Numbers (Long)
11th
29th
Fizz Buzz
107th
36th
Forsyth–Edwards Notation
8th
ISBN
18th
Look and Say
17th
304th
Niven Numbers (Long)
25th
16th
27th
Repeating Decimals
6th
5th
Sierpiński Triangle
9th
Sudoku
4th
Tongue-twisters
7th
71st
Van Eck Sequence
18th
λ
11th
π
9th
5th
167th
τ
18th
√2
11th
346th
𝑒
12th
9th