99 Bottles of Beer
13th
Emirp Numbers
66th
656th
19th
Fibonacci
437th
67th
Fizz Buzz
348th
Fractions
59th
Gray Code Encoder
117th
Leap Years
226th
Number Spiral
221st
Quine
1st27th209th105th68th151st62nd23rd
16th121st49th90th1st
Roman to Arabic
48th
ROT13
48th
Rule 110
68th
Sierpiński Triangle
65th
105th
φ
377th
𝑒
48th