A279747 Number of 7Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 708, 14827, 209558, 2672708, 33954530, 413326300, 4935790522, 58121852669, 675518172098, 7773001073377, 88696281069640, 1004930528193136, 11316984133423012, 126774873608784154, 1413596066478838994

Offset: 1

Author

R. H. Hardin, Dec 18 2016

Keywords

• nonn

Comments

Row 7 of A279741.

Examples

			Some solutions for n=3
..0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..1..0
..0..1..0. .0..0..1. .1..0..1. .1..0..1. .1..0..1. .0..1..1. .0..0..1
..0..0..1. .1..0..1. .1..1..0. .0..1..0. .1..0..1. .1..0..1. .1..1..0
..1..1..0. .1..1..0. .0..1..1. .0..0..1. .0..1..1. .1..0..1. .0..1..0
..1..0..0. .0..1..0. .0..1..0. .1..0..1. .1..0..0. .1..0..0. .1..1..0
..1..1..0. .0..1..0. .0..0..1. .1..1..0. .0..1..1. .1..0..1. .1..0..1
..1..0..1. .1..1..0. .1..0..1. .0..1..1. .1..0..1. .1..0..1. .1..0..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..72

Crossrefs

Cf. A279741.