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A303716 Number of nX5 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero. 1
8, 7, 14, 36, 81, 169, 361, 784, 1681, 3600, 7744, 16641, 35721, 76729, 164836, 354025, 760384, 1633284, 3508129, 7535025, 16184529, 34762816, 74666881, 160376896, 344473600, 739894401, 1589218225, 3413480625, 7331811876, 15747991081 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A303719.

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +a(n-2) +3*a(n-3) +a(n-4) -a(n-5) -a(n-6) for n>9

EXAMPLE

Some solutions for n=5

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

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

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

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

CROSSREFS

Cf. A303719.

Sequence in context: A051011 A298666 A309628 * A309629 A075573 A317706

Adjacent sequences:  A303713 A303714 A303715 * A303717 A303718 A303719

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 29 2018

STATUS

approved

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Last modified November 18 22:39 EST 2019. Contains 329305 sequences. (Running on oeis4.)