A279132 Number of nX6 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

9, 194, 2551, 30074, 316516, 3125600, 29410145, 266502710, 2346800921, 20197483932, 170598730850, 1418685012262, 11643287106767, 94486219877716, 759316584725697, 6050247921127698, 47847435523630798, 375876383561544262

Offset: 1

Author

R. H. Hardin, Dec 06 2016

Keywords

• nonn

Comments

Column 6 of A279134.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A279134.