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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.

A265720 Binary representation of the n-th iteration of the "Rule 1" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 0
2 100
3 1100011
4 10000
5 11110001111
6 1000000
7 111111000111111
8 100000000
9 1111111100011111111
10 10000000000
11 11111111110001111111111
12 1000000000000
13 111111111111000111111111111
14 100000000000000
15 1111111111111100011111111111111
16 10000000000000000

List of values

[1, 0, 100, 1100011, 10000, 11110001111, 1000000, 111111000111111, 100000000, 1111111100011111111, 10000000000, 11111111110001111111111, 1000000000000, 111111111111000111111111111, 100000000000000, 1111111111111100011111111111111, 10000000000000000]

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

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