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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.

A267684 Binary representation of the n-th iteration of the "Rule 203" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 100
2 11011
3 1110111
4 111101111
5 11111011111
6 1111110111111
7 111111101111111
8 11111111011111111
9 1111111110111111111
10 111111111101111111111
11 11111111111011111111111
12 1111111111110111111111111
13 111111111111101111111111111
14 11111111111111011111111111111

List of values

[1, 100, 11011, 1110111, 111101111, 11111011111, 1111110111111, 111111101111111, 11111111011111111, 1111111110111111111, 111111111101111111111, 11111111111011111111111, 1111111111110111111111111, 111111111111101111111111111, 11111111111111011111111111111]

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

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