A282592 Number of nX7 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly two elements.

0, 916, 184242, 9375582, 546521435, 28829389941, 1436405360064, 69900439513231, 3307105747958168, 153363953593877372, 6997693178443280281, 314878603641642938348, 14005103623892941427528, 616711979135232317597835

Offset

1,2

Comments

Column 7 of A282593.

Links

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

Example

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

Crossrefs

Cf. A282593.

Sequence in context: A074887 A234993 A234764 * A395432 A029897 A221387

Adjacent sequences: A282589 A282590 A282591 * A282593 A282594 A282595

Keyword

nonn

Author

R. H. Hardin, Feb 19 2017

Status

approved