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
5th
6th
brainfuck
16th
Catalan Numbers
7th
22nd
165th
Catalan’s Constant
33rd
Christmas Trees
11th
12th
Collatz
19th31st
7th
22nd
Cubes
306th
Day of Week
21st
17th
Diamonds
40th
18th
Divisors
32nd83rd
16th
20th
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
11th
7th8th6th
24th
Evil Numbers (Long)
6th
1st7th1st
22nd
Factorial Factorisation
12th
8th
13th
Farey Sequence
27th
21st
61st
Fibonacci
51st6th41st55th25th36th49th8th1st1st18th37th33rd44th31st38th42nd65th29th18th1st12th31st108th130th25th108th6th1st
216th158th19th12th250th19th31st40th38th
Fizz Buzz
133rd
51st
52nd
24th
8th
Foo Fizz Buzz Bar
59th
23rd
23rd
8th
Fractions
18th
Game of Life
28th
19th
Happy Numbers
18th
9th
Happy Numbers (Long)
13th
ISBN
31st
Kaprekar Numbers
15th
Kolakoski Constant
9th
7th
Kolakoski Sequence
34th
19th
Leap Years
39th
15th
Leyland Numbers
15th
ln 2
4th
4th
26th
9th
9th
58th
2nd
Look and Say
23rd
16th
Lucky Numbers
14th
Niven Numbers
21st
15th
1st
Niven Numbers (Long)
30th
19th
1st
Number Spiral
17th
5th
Odious Numbers
10th
9th8th2nd
19th
Odious Numbers (Long)
6th
9th7th1st
19th
Ordinal Numbers
15th
Pascal’s Triangle
13th
Pernicious Numbers
45th
27th
23rd
Pernicious Numbers (Long)
13th
Prime Numbers
8th
39th
6th
18th
45th
319th
Prime Numbers (Long)
4th
32nd
3rd
22nd
Quine
129th30th
22nd
26th
18th
10th
58th
9th
Recamán
48th
25th
Reverse Polish Notation
1st
ROT13
22nd
14th
Seven Segment
17th
6th
Sierpiński Triangle
30th
16th
Smith Numbers
8th
Star Wars Opening Crawl
134th
Transpose Sentence
1st
Vampire Numbers
28th
Van Eck Sequence
32nd
22nd
γ
20th
6th
λ
13th
4th
17th
39th
π
4th
11th
4th
20th
14th
7th
59th
τ
3rd
10th
4th
19th
8th
5th
45th
φ
10th
8th
31st
10th
155th
3rd
√2
8th
6th
32nd
12th
15th
157th
3rd
𝑒
53rd13th
9th
30th
13th
10th
93rd
4th