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A297950 Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1
8, 2048, 11614, 88441, 750733, 6423236, 53630550, 451993176, 3822668362, 32280441976, 272629391142, 2304614292374, 19479506089623, 164635199364476, 1391603138141113, 11763053589275172, 99430718267953488, 840477009021797422 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A297951.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A297951.

Sequence in context: A024112 A092414 A295217 * A298559 A298769 A299566

Adjacent sequences:  A297947 A297948 A297949 * A297951 A297952 A297953

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 2018

STATUS

approved

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Last modified January 21 18:19 EST 2022. Contains 350479 sequences. (Running on oeis4.)