cp's OEIS Frontend

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.

A282121 Binary representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 430", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 11
2 110
3 1111
4 11010
5 111111
6 1101010
7 11111111
8 110101010
9 1111111111
10 11010101010
11 111111111111
12 1101010101010
13 11111111111111
14 110101010101010
15 1111111111111111
16 11010101010101010
17 111111111111111111
18 1101010101010101010
19 11111111111111111111

List of values

[1, 11, 110, 1111, 11010, 111111, 1101010, 11111111, 110101010, 1111111111, 11010101010, 111111111111, 1101010101010, 11111111111111, 110101010101010, 1111111111111111, 11010101010101010, 111111111111111111, 1101010101010101010, 11111111111111111111]

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

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