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.

A279717 Binary representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 1
2 10
3 11
4 10100
5 111
6 1101000
7 1001111
8 10000
9 1110011111
10 100100000
11 110000111111
12 101101000000
13 11001111111
14 110110010000000
15 101100011111111
16 11010100000000
17 110110100111111111
18 111101001000000000
19 1101000001111111111
20 11001111010000000000

List of values

[1, 1, 10, 11, 10100, 111, 1101000, 1001111, 10000, 1110011111, 100100000, 110000111111, 101101000000, 11001111111, 110110010000000, 101100011111111, 11010100000000, 110110100111111111, 111101001000000000, 1101000001111111111, 11001111010000000000]

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

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