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A283783 Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements. 1
0, 2410, 336614, 30330979, 2393467823, 169720104148, 11308125156356, 719819137224851, 44286142978155009, 2653649902754828202, 155676754281056965035, 8975824198199222022171, 510082055072987791045820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A283784.

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A283784.

Sequence in context: A031727 A236038 A323271 * A260274 A234126 A159346

Adjacent sequences:  A283780 A283781 A283782 * A283784 A283785 A283786

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 16 2017

STATUS

approved

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Last modified May 19 13:24 EDT 2022. Contains 353833 sequences. (Running on oeis4.)