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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.

A261299 Binary representation of the middle column of the "Rule 30" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 11
2 110
3 1101
4 11011
5 110111
6 1101110
7 11011100
8 110111001
9 1101110011
10 11011100110
11 110111001100
12 1101110011000
13 11011100110001
14 110111001100010
15 1101110011000101
16 11011100110001011
17 110111001100010110
18 1101110011000101100
19 11011100110001011001

List of values

[1, 11, 110, 1101, 11011, 110111, 1101110, 11011100, 110111001, 1101110011, 11011100110, 110111001100, 1101110011000, 11011100110001, 110111001100010, 1101110011000101, 11011100110001011, 110111001100010110, 1101110011000101100, 11011100110001011001]

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

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