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.

A283641 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 678", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 11
2 101
3 1101
4 10101
5 110101
6 1010101
7 11010101
8 101010101
9 1101010101
10 10101010101
11 110101010101
12 1010101010101
13 11010101010101
14 101010101010101
15 1101010101010101
16 10101010101010101
17 110101010101010101
18 1010101010101010101
19 11010101010101010101

List of values

[1, 11, 101, 1101, 10101, 110101, 1010101, 11010101, 101010101, 1101010101, 10101010101, 110101010101, 1010101010101, 11010101010101, 101010101010101, 1101010101010101, 10101010101010101, 110101010101010101, 1010101010101010101, 11010101010101010101]

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

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