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A316375 Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1
1, 908, 2822, 72713, 1076888, 16730969, 294007902, 4935143895, 82582592407, 1410527865988, 23843606066189, 403976896881288, 6855433666243828, 116194676409895349, 1970246428186618473, 33412110504800256937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A316376.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316376.

Sequence in context: A304893 A316575 A304550 * A306135 A317270 A002617

Adjacent sequences:  A316372 A316373 A316374 * A316376 A316377 A316378

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 30 2018

STATUS

approved

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Last modified August 9 06:47 EDT 2022. Contains 356018 sequences. (Running on oeis4.)