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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.

A259661 Binary representation of the middle column of the "Rule 54" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 11
2 110
3 1100
4 11001
5 110011
6 1100110
7 11001100
8 110011001
9 1100110011
10 11001100110
11 110011001100
12 1100110011001
13 11001100110011
14 110011001100110
15 1100110011001100
16 11001100110011001
17 110011001100110011
18 1100110011001100110
19 11001100110011001100

List of values

[1, 11, 110, 1100, 11001, 110011, 1100110, 11001100, 110011001, 1100110011, 11001100110, 110011001100, 1100110011001, 11001100110011, 110011001100110, 1100110011001100, 11001100110011001, 110011001100110011, 1100110011001100110, 11001100110011001100]

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

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