12 Days of Christmas
38th
9th
12th
99 Bottles of Beer
10th
6th
28th
Abundant Numbers
41st
Arabic to Roman
19th
12th
227th
Arrows
149th
ASCII Table
18th
147th
brainfuck
115th
Christmas Trees
35th
Collatz
42nd
77th
Cubes
13th
3rd
Diamonds
4th
2nd
75th
Evil Numbers (Long)
12th
29th
Fizz Buzz
109th
36th
Forsyth–Edwards Notation
8th
ISBN
18th
Look and Say
17th
308th
Niven Numbers (Long)
25th
16th
27th
Repeating Decimals
6th
5th
Sierpiński Triangle
9th
Sudoku
4th
Tongue-twisters
9th
72nd
Van Eck Sequence
18th
λ
14th
π
10th
7th
170th
τ
21st
√2
12th
347th
𝑒
13th
11th