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A298887 Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1
8, 95, 63, 240, 444, 814, 1818, 3663, 7496, 16544, 33596, 70466, 148451, 311053, 653252, 1372584, 2873709, 6036087, 12668750, 26606071, 55876191, 117364939, 246515244, 517702247, 1087644299, 2284968402, 4799996646, 10083584000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298888.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298888.

Sequence in context: A297857 A298092 A298054 * A298659 A299611 A099298

Adjacent sequences:  A298884 A298885 A298886 * A298888 A298889 A298890

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 28 2018

STATUS

approved

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Last modified January 27 16:41 EST 2022. Contains 350611 sequences. (Running on oeis4.)