A283280 Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors.

64, 2141, 61491, 1994338, 62640737, 1974531630, 62300912853, 1964591851309, 61959879789835, 1954086059655468, 61627595488659279, 1943602698342317970, 61297056082746862241, 1933177599655542182473, 60968272842591362365372

Offset

1,1

Comments

Column 6 of A283282.

Links

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

Example

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

Crossrefs

Cf. A283282.

Sequence in context: A239739 A017727 A089458 * A082559 A008790 A183432

Adjacent sequences: A283277 A283278 A283279 * A283281 A283282 A283283

Keyword

nonn

Author

R. H. Hardin, Mar 04 2017

Status

approved