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.

A281277 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 347", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 1
2 11
3 1010
4 101
5 110111
6 1100
7 11101001
8 10111
9 1111011100
10 110111
11 111110101000
12 1010011
13 11111101110100
14 11001001
15 1111111010000011
16 101111100
17 111111110111000101
18 1101110011
19 11111111101010011010
20 10100000101
21 1111111111011101110011
22 110010001000

List of values

[1, 1, 11, 1010, 101, 110111, 1100, 11101001, 10111, 1111011100, 110111, 111110101000, 1010011, 11111101110100, 11001001, 1111111010000011, 101111100, 111111110111000101, 1101110011, 11111111101010011010, 10100000101, 1111111111011101110011, 110010001000]

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

Content is available under The OEIS End-User License Agreement.