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.

A281709 Number of n X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Original entry on oeis.org

1, 3, 8, 97, 937, 29849, 1721319, 178547832, 41247350230, 17968646792801
Offset: 1

Views

Author

R. H. Hardin, Jan 28 2017

Keywords

Comments

Diagonal of A281715.

Examples

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

Crossrefs

Cf. A281715.