99 Bottles of Beer
100th15th
Abundant Numbers
37th
Abundant Numbers (Long)
28th
Collatz
219th34th
Emirp Numbers
33rd
Evil Numbers
46th
Fizz Buzz
87th
Leap Years
40th
ln 2
43rd
Morse Encoder
12th
Niven Numbers
49th
Odious Numbers
45th
Ordinal Numbers
18th
Pascal’s Triangle
112th21st
Pernicious Numbers
132nd38th
Pernicious Numbers (Long)
55th19th
Quine
80th
Rule 110
15th
Sierpiński Triangle
22nd
√2
55th