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.

A267777 Binary representation of the n-th iteration of the "Rule 209" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 1
2 11001
3 1111001
4 111111001
5 11111111001
6 1111111111001
7 111111111111001
8 11111111111111001
9 1111111111111111001
10 111111111111111111001
11 11111111111111111111001
12 1111111111111111111111001
13 111111111111111111111111001
14 11111111111111111111111111001

List of values

[1, 1, 11001, 1111001, 111111001, 11111111001, 1111111111001, 111111111111001, 11111111111111001, 1111111111111111001, 111111111111111111001, 11111111111111111111001, 1111111111111111111111001, 111111111111111111111111001, 11111111111111111111111111001]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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