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.

A290111 Binary representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 643", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 11
2 101
3 1101
4 11101
5 111101
6 1111101
7 11111101
8 111111101
9 1111111101
10 11111111101
11 111111111101
12 1111111111101
13 11111111111101
14 111111111111101
15 1111111111111101
16 11111111111111101
17 111111111111111101
18 1111111111111111101
19 11111111111111111101

List of values

[1, 11, 101, 1101, 11101, 111101, 1111101, 11111101, 111111101, 1111111101, 11111111101, 111111111101, 1111111111101, 11111111111101, 111111111111101, 1111111111111101, 11111111111111101, 111111111111111101, 1111111111111111101, 11111111111111111101]

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

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