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A316930 Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
1, 272, 5114, 242908, 10973407, 504420842, 23331389753, 1082511783630, 50268964898040, 2335445337904301, 108522596510808705, 5043152673374074529, 234367636152187821684, 10891778297372461533674, 506176787613385987355419 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A316932.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316932.

Sequence in context: A264077 A305683 A317063 * A317701 A141546 A000517

Adjacent sequences:  A316927 A316928 A316929 * A316931 A316932 A316933

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 16 2018

STATUS

approved

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Last modified December 5 00:06 EST 2021. Contains 349526 sequences. (Running on oeis4.)