99 Bottles of Beer
6th
Catalan’s Constant
9th
Cubes
11th
Evil Numbers
25th
Factorial Factorisation
9th
Farey Sequence
12th
Fibonacci
62nd
Foo Fizz Buzz Bar
18th
Forsyth–Edwards Notation
5th
Happy Numbers
18th
Inventory Sequence
14th
Kolakoski Constant
8th
Kolakoski Sequence
13th
ln 2
8th
Prime Numbers
40th
Quine
1st
United States
9th
γ
7th
λ
12th
π
11th
τ
9th
φ
9th
√2
10th
𝑒
12th15th