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.

A281769 Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Original entry on oeis.org

0, 38, 201, 1872, 12191, 85844, 589990, 3845590, 25703392, 166880128, 1080273873, 6965900750, 44487321221, 283503705456, 1797488483677, 11352536170284, 71500155029453, 448832589255878, 2810514285498993, 17557109431928644
Offset: 1

Views

Author

R. H. Hardin, Jan 29 2017

Keywords

Comments

Row 5 of A281765.

Examples

			Some solutions for n=4
..0..0..0..0. .0..0..0..1. .0..1..1..1. .0..0..1..1. .0..0..1..1
..1..1..1..1. .1..1..1..1. .0..0..1..0. .0..0..1..1. .0..0..1..1
..1..1..1..1. .1..1..1..1. .0..0..0..1. .0..0..1..1. .0..0..1..1
..0..0..1..1. .0..0..1..1. .0..0..1..0. .1..1..0..1. .1..1..0..0
..0..0..1..1. .0..0..0..0. .1..1..0..1. .1..1..1..1. .1..0..0..0
		

Crossrefs

Cf. A281765.