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A304774 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero. 1
64, 719, 685, 2710, 15349, 100581, 540901, 3257711, 19908669, 116435693, 698092944, 4184600633, 24873061228, 148660385563, 888008033892, 5296140822230, 31624461255154, 188795531935106, 1126779295822655 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A304775.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304775.

Sequence in context: A223963 A303726 A305229 * A316517 A304471 A316288

Adjacent sequences:  A304771 A304772 A304773 * A304775 A304776 A304777

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 18 2018

STATUS

approved

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Last modified October 2 22:14 EDT 2022. Contains 357230 sequences. (Running on oeis4.)