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A304057 Number of nX7 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. 1
8, 306, 124, 1122, 5415, 13624, 77360, 478889, 2630794, 17166221, 112421892, 795867513, 5624713713, 39196406339, 292217624915, 2134987451779, 15435446281689, 116004568094050, 858558798251877, 6321378051911377 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A304058.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304058.

Sequence in context: A264248 A326013 A222792 * A305451 A304703 A316454

Adjacent sequences:  A304054 A304055 A304056 * A304058 A304059 A304060

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 05 2018

STATUS

approved

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Last modified February 27 18:47 EST 2020. Contains 332308 sequences. (Running on oeis4.)