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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.

A287468 Binary representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 276", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 0
2 11
3 0
4 111
5 0
6 1111
7 0
8 11111
9 0
10 111111
11 0
12 1111111
13 0
14 11111111
15 0
16 111111111
17 0
18 1111111111
19 0
20 11111111111
21 0
22 111111111111
23 0
24 1111111111111
25 0
26 11111111111111
27 0
28 111111111111111
29 0
30 1111111111111111
31 0
32 11111111111111111
33 0
34 111111111111111111

List of values

[1, 0, 11, 0, 111, 0, 1111, 0, 11111, 0, 111111, 0, 1111111, 0, 11111111, 0, 111111111, 0, 1111111111, 0, 11111111111, 0, 111111111111, 0, 1111111111111, 0, 11111111111111, 0, 111111111111111, 0, 1111111111111111, 0, 11111111111111111, 0, 111111111111111111]

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

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