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A317152 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
64, 752, 4091, 49746, 786868, 8398085, 100639070, 1322153771, 16079639203, 197080980236, 2478248260746, 30736946463877, 380701037947962, 4743575989254534, 58981199987184372, 732782748455024292 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A317153.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317153.

Sequence in context: A305641 A317035 A305910 * A316882 A317610 A264260

Adjacent sequences:  A317149 A317150 A317151 * A317153 A317154 A317155

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 22 2018

STATUS

approved

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Last modified August 1 15:22 EDT 2021. Contains 346393 sequences. (Running on oeis4.)