12 Days of Christmas
7th2nd3rd5th7th7th15th2nd
99 Bottles of Beer
13th8th
4th11th
Abundant Numbers
46th
Arabic to Roman
21st13th
234th
Arrows
139th
ASCII Table
29th15th
119th
brainfuck
57th
Card Number Validation
15th7th
Christmas Trees
18th
Collatz
67th17th
169th
Cubes
9th4th
6th
Diamonds
5th3rd
64th
Divisors
139th33rd
413th
Evil Numbers (Long)
16th
35th
Factorial Factorisation
15th11th
10th
Fizz Buzz
129th42nd
204th
Foo Fizz Buzz Bar
20th
Forsyth–Edwards Notation
13th8th
Hexdump
14th4th
65th
Hilbert Curve
49th
Inventory Sequence
11th2nd
76th
ISBN
22nd
Look and Say
22nd
13th238th
Mandelbrot
14th
Niven Numbers
28th
Niven Numbers (Long)
29th15th
57th
Number Spiral
37th14th
6th107th
PalindromemordnilaP
6th7th
89th
Polyominoes
9th
32nd
Quine
30th22nd
Recamán
24th
125th
Repeating Decimals
8th6th
Set
7th
34th
Seven Segment
23rd
Sierpiński Triangle
19th10th
7th
Sudoku
5th
Tongue-twisters
18th
4th114th
Transpose Sentence
14th10th
66th
United States
12th9th
Vampire Numbers
22nd
Van Eck Sequence
17th
λ
18th
π
13th8th
238th
τ
23rd
√2
13th
439th
𝑒
20th14th