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A317514 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
16, 512, 16193, 512096, 16198017, 512358002, 16206294085, 512618027974, 16214518668763, 512878209047100, 16222748416081381, 513138522010061984, 16230982323203400539, 513398967094466982056, 16239220409770473726471 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A317517.

LINKS

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

FORMULA

Empirical: a(n) = 31*a(n-1) -3*a(n-2) +708*a(n-3) +474*a(n-4) +2957*a(n-5) +2350*a(n-6) -1836*a(n-7) -1440*a(n-8)

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

CROSSREFS

Cf. A317517.

Sequence in context: A303418 A301404 A303424 * A300179 A013825 A099772

Adjacent sequences:  A317511 A317512 A317513 * A317515 A317516 A317517

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 30 2018

STATUS

approved

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Last modified June 13 20:25 EDT 2021. Contains 345009 sequences. (Running on oeis4.)