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.

A265172 Binary representation of the n-th iteration of the "Rule 90" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 101
2 10001
3 1010101
4 100000001
5 10100000101
6 1000100010001
7 101010101010101
8 10000000000000001
9 1010000000000000101
10 100010000000000010001
11 10101010000000001010101
12 1000000010000000100000001
13 101000001010000010100000101
14 10001000100010001000100010001

List of values

[1, 101, 10001, 1010101, 100000001, 10100000101, 1000100010001, 101010101010101, 10000000000000001, 1010000000000000101, 100010000000000010001, 10101010000000001010101, 1000000010000000100000001, 101000001010000010100000101, 10001000100010001000100010001]

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

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