99 Bottles of Beer
11th
707th
Arabic to Roman
11th
ASCII Table
15th
Diamonds
4th
45th
Divisors
6th
1st
Evil Numbers
18th
Fibonacci
1st
194th
Fizz Buzz
20th71st553rd
Foo Fizz Buzz Bar
9th
Happy Numbers
10th
225th
Happy Numbers (Long)
11th
119th
Leap Years
17th
Look and Say
16th
Number Spiral
11th
60th
Odious Numbers
18th
Quine
18th
80th
Reverse Polish Notation
9th
π
10th
τ
11th
φ
19th
√2
14th
𝑒
13th