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A302465
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Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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64, 21, 1397, 276, 17189, 25285, 404761, 2588958, 25019102, 250630168, 2450083168, 25229300236, 260128455530, 2666531973080, 27877141564342, 287524621822857, 2998971513860375, 31112820937223507, 323638209029725837
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OFFSET
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1,1
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COMMENTS
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Row 7 of A302460.
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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EXAMPLE
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Some solutions for n=5
..0..1..0..0..1. .0..0..0..1..1. .0..1..0..1..1. .0..1..1..0..0
..1..1..1..0..0. .0..0..1..1..1. .0..1..0..1..1. .1..1..1..0..0
..0..0..1..1..0. .1..0..1..1..1. .1..1..1..1..0. .1..1..1..0..1
..0..0..1..0..0. .0..0..1..0..0. .0..0..0..1..0. .1..1..0..0..0
..1..1..1..0..0. .0..1..1..0..0. .0..0..1..1..1. .0..0..0..1..1
..1..1..1..0..1. .0..0..0..1..1. .0..0..0..0..0. .1..0..1..1..0
..1..1..0..0..0. .1..0..1..1..0. .1..0..1..0..0. .1..0..1..1..0
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CROSSREFS
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Cf. A302460.
Sequence in context: A305585 A316692 A302217 * A303247 A302373 A303089
Adjacent sequences: A302462 A302463 A302464 * A302466 A302467 A302468
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Apr 08 2018
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STATUS
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approved
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