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.

A282266 Binary representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 0
2 111
3 0
4 11111
5 0
6 1111111
7 0
8 111111111
9 0
10 11111111111
11 0
12 1111111111111
13 0
14 111110011111111
15 0
16 11100000011111111
17 11110000000000
18 1101100110011111111
19 1111000000000000
20 110000000000011111111
21 1111111110000000000
22 11110000000111111111111

List of values

[1, 0, 111, 0, 11111, 0, 1111111, 0, 111111111, 0, 11111111111, 0, 1111111111111, 0, 111110011111111, 0, 11100000011111111, 11110000000000, 1101100110011111111, 1111000000000000, 110000000000011111111, 1111111110000000000, 11110000000111111111111]

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

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