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A302319 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
16, 136, 519, 3559, 20686, 110035, 659949, 3834162, 21619209, 125759301, 728487588, 4178486509, 24137288153, 139551131994, 804265070921, 4640730688697, 26804969538102, 154673453289555, 892538049899287 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A302322.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302322.

Sequence in context: A139616 A304506 A187175 * A303013 A059421 A231766

Adjacent sequences:  A302316 A302317 A302318 * A302320 A302321 A302322

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 05 2018

STATUS

approved

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Last modified November 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)