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A316800 Number of nX7 0..1 arrays with every element unequal to 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
0, 72, 264, 2184, 18897, 213931, 1964108, 19450547, 202140736, 2027372089, 20586190481, 210496700285, 2143793481874, 21847592218744, 223011991274682, 2275397535129226, 23213772911675819, 236905932785631153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A316801.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316801.

Sequence in context: A158488 A165139 A305222 * A004007 A279272 A173546

Adjacent sequences:  A316797 A316798 A316799 * A316801 A316802 A316803

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 14 2018

STATUS

approved

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Last modified May 18 03:03 EDT 2021. Contains 343994 sequences. (Running on oeis4.)