99 Bottles of Beer
88th15th
Abundant Numbers
33rd
Abundant Numbers (Long)
25th
Collatz
185th31st
Emirp Numbers
30th
Evil Numbers
42nd
Fizz Buzz
82nd
Leap Years
36th
ln 2
35th
Morse Encoder
11th
Niven Numbers
41st
Odious Numbers
39th
Ordinal Numbers
17th
Pascal’s Triangle
105th18th
Pernicious Numbers
111th26th
Pernicious Numbers (Long)
42nd16th
Quine
73rd
Rule 110
16th
Sierpiński Triangle
20th
√2
47th