cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A215253 a(n) = decimal equivalent of A215254(n).

Table of values

n a(n)
1 1
2 2
3 4
4 9
5 18
6 37
7 77
8 150
9 333
10 601
11 1202
12 2405
13 4941
14 9622
15 21325
16 38489
17 76978
18 153957

List of values

[1, 2, 4, 9, 18, 37, 77, 150, 333, 601, 1202, 2405, 4941, 9622, 21325, 38489, 76978, 153957]