12 Days of Christmas
80th
39th
24 Game
7th
99 Bottles of Beer
45th
13th
Abundant Numbers
34th
10th
24th
Abundant Numbers (Long)
17th
7th
21st
Arabic to Roman
38th
Arithmetic Numbers
10th
Arrows
17th
Ascending Primes
7th
ASCII Table
11th
8th
6th
brainfuck
16th
Catalan Numbers
7th
22nd
165th
Catalan’s Constant
20th
Christmas Trees
11th
12th
Collatz
19th27th
7th
22nd
Cubes
309th
Day of Week
21st
17th
Diamonds
40th
18th
Divisors
32nd83rd
16th
20th
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
5th13th6th
24th
Evil Numbers (Long)
1st13th1st
22nd
Factorial Factorisation
12th
8th
14th
Farey Sequence
27th
21st
65th
Fibonacci
45th41st55th25th36th49th3rd1st1st18th37th33rd44th31st38th43rd65th30th18th1st12th31st108th131st25th108th6th1st
216th158th19th12th250th19th31st40th38th
Fizz Buzz
134th
51st
52nd
24th
8th
Foo Fizz Buzz Bar
59th
23rd
23rd
8th
Fractions
18th
Game of Life
28th
19th
Happy Numbers
24th
12th
Happy Numbers (Long)
13th
ISBN
31st
Kaprekar Numbers
14th
Kolakoski Constant
9th
7th
Kolakoski Sequence
34th
19th
Leap Years
39th
15th
Leyland Numbers
15th
ln 2
4th
4th
26th
9th
9th
49th
4th
Look and Say
23rd
16th
Lucky Numbers
14th
Niven Numbers
24th
15th
4th
Niven Numbers (Long)
33rd
19th
2nd
Number Spiral
18th
5th
Odious Numbers
7th13th3rd
19th
Odious Numbers (Long)
5th7th1st
19th
Ordinal Numbers
15th
Pascal’s Triangle
13th
Pernicious Numbers
45th
27th
23rd
Pernicious Numbers (Long)
13th
Prime Numbers
41st
9th
18th
45th
319th
Prime Numbers (Long)
33rd
3rd
22nd
Quine
129th30th
22nd
29th
18th
10th
58th
9th
Recamán
48th
25th
Reverse Polish Notation
1st
ROT13
22nd
14th
Seven Segment
17th
7th
Sierpiński Triangle
30th
16th
Smith Numbers
8th
Star Wars Opening Crawl
134th
Transpose Sentence
1st
Vampire Numbers
28th
Van Eck Sequence
32nd
22nd
γ
24th
12th
λ
23rd
12th
13th
25th
π
11th
4th
9th
14th
7th
33rd
τ
10th
4th
9th
8th
5th
24th
φ
10th
8th
28th
10th
106th
4th
√2
8th
6th
31st
12th
15th
133rd
4th
𝑒
53rd13th
9th
28th
13th
10th
89th
4th