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A283731 Number of 6Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. 1
0, 824, 69972, 2391696, 85216204, 2938694472, 94357463834, 2986938408668, 93021621886856, 2846643417330828, 86214103090062714, 2587462630174734200, 77033354035819429518, 2278742112362673266988, 67033714066407408675974 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A283726.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Cf. A283726.

Sequence in context: A057002 A247922 A283201 * A236793 A051989 A237062

Adjacent sequences:  A283728 A283729 A283730 * A283732 A283733 A283734

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 15 2017

STATUS

approved

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)