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A283281 Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors. 1
128, 7472, 367208, 20834848, 1136604611, 62300912853, 3418770498783, 187461194033545, 10281169933978992, 563850834437328791, 30923136012761003019, 1695915456716623277842, 93008909318565203593244 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A283282.

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A283282.

Sequence in context: A201239 A013700 A232995 * A181242 A035817 A297373

Adjacent sequences:  A283278 A283279 A283280 * A283282 A283283 A283284

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 04 2017

STATUS

approved

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Last modified June 23 21:09 EDT 2021. Contains 345402 sequences. (Running on oeis4.)