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A298559 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
8, 2048, 11614, 90153, 781071, 6852589, 58699120, 506226692, 4381689438, 37892530486, 327703077378, 2835741579464, 24537643875445, 212312746121732, 1837172725652853, 15897673713462844, 137567617020675562 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298560.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A298560.

Sequence in context: A092414 A295217 A297950 * A298769 A299566 A298388

Adjacent sequences:  A298556 A298557 A298558 * A298560 A298561 A298562

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 21 2018

STATUS

approved

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Last modified May 26 21:56 EDT 2022. Contains 354092 sequences. (Running on oeis4.)