12 Days of Christmas
89th
42nd
24 Game
7th
99 Bottles of Beer
50th
15th
Abundant Numbers
35th
11th
24th
Abundant Numbers (Long)
18th
7th
21st
Arabic to Roman
43rd
Arithmetic Numbers
11th
Arrows
18th
Ascending Primes
13th
7th
ASCII Table
12th
6th
6th
Billiards
2nd
brainfuck
18th
Card Number Validation
18th
11th
Catalan Numbers
7th
23rd
192nd
Catalan’s Constant
36th
Christmas Trees
13th
13th
Collatz
20th39th
7th
24th
Cubes
331st
Day of Week
22nd
18th
Diamonds
45th
21st
Divisors
35th14th
5th
22nd
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
11th
8th10th7th
28th
Evil Numbers (Long)
6th
2nd9th1st
26th
Factorial Factorisation
12th
9th
16th
Farey Sequence
28th
21st
77th
Fibonacci
52nd6th46th59th32nd42nd55th12th1st1st19th43rd36th52nd38th42nd48th70th33rd19th1st12th36th138th144th26th118th6th1st
226th187th21st15th270th21st34th46th45th
Fizz Buzz
140th
54th
58th
26th
8th
Foo Fizz Buzz Bar
62nd
27th
26th
8th
Fractions
15th
Game of Life
27th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
14th
ISBN
32nd
Kaprekar Numbers
16th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
36th
21st
Leap Years
47th
17th
Leyland Numbers
15th
ln 2
5th
31st
10th
9th
81st
2nd
Look and Say
27th
18th
Lucky Numbers
21st
15th
Mandelbrot
5th
Niven Numbers
23rd
17th
1st
Niven Numbers (Long)
33rd
21st
1st
Number Spiral
18th
5th
Odious Numbers
10th
9th10th3rd
22nd
Odious Numbers (Long)
6th
9th9th2nd
22nd
Ordinal Numbers
16th
Partition Numbers
3rd
Pascal’s Triangle
12th
4th
16th
Pernicious Numbers
54th
35th
27th
Pernicious Numbers (Long)
13th
Prime Numbers
8th
16th
7th
20th
49th
356th
Prime Numbers (Long)
4th
20th
3rd
26th
Quine
136th23rd
23rd
30th
1st
11th
72nd
9th
Recamán
55th
29th
Reverse Polish Notation
1st
ROT13
29th
15th
Seven Segment
18th
6th
Sierpiński Triangle
31st
17th
Smith Numbers
12th
Star Wars Opening Crawl
146th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
35th
24th
γ
21st
7th
λ
13th
4th
20th
46th
π
4th
11th
4th
21st
16th
7th
66th
τ
3rd
11th
4th
20th
11th
5th
51st
φ
10th
9th
36th
11th
175th
3rd
√2
9th
7th
37th
14th
18th
185th
3rd
𝑒
54th13th
9th
36th
15th
11th
117th
4th