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.

A287469 Binary representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 276", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 0
2 110
3 0
4 11100
5 0
6 1111000
7 0
8 111110000
9 0
10 11111100000
11 0
12 1111111000000
13 0
14 111111110000000
15 0
16 11111111100000000
17 0
18 1111111111000000000
19 0
20 111111111110000000000
21 0
22 11111111111100000000000
23 0
24 1111111111111000000000000
25 0

List of values

[1, 0, 110, 0, 11100, 0, 1111000, 0, 111110000, 0, 11111100000, 0, 1111111000000, 0, 111111110000000, 0, 11111111100000000, 0, 1111111111000000000, 0, 111111111110000000000, 0, 11111111111100000000000, 0, 1111111111111000000000000, 0]

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

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