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A283385 Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements. 1
0, 1734, 257416, 20788531, 1644385909, 120672330232, 8473366210380, 577497122717510, 38429377558548084, 2510034447031636894, 161474518006208921112, 10257528561081995711619, 644676948221905320696958 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A283386.

LINKS

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

EXAMPLE

Some solutions for n=2

..1..0..1..0..1..1..0. .0..0..1..0..1..1..0. .1..0..1..0..0..0..1

..1..1..1..1..0..1..0. .1..1..1..1..0..1..1. .1..1..1..1..1..0..1

CROSSREFS

Cf. A283386.

Sequence in context: A230967 A179914 A113701 * A083606 A280927 A095847

Adjacent sequences:  A283382 A283383 A283384 * A283386 A283387 A283388

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 06 2017

STATUS

approved

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)