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A318043
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Number of nX6 0..1 arrays with every element unequal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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1, 17, 377, 6179, 116212, 2098813, 37826270, 685931021, 12431437346, 225185610429, 4079648110833, 73911910191705, 1339060286964873, 24259745271648515, 439514170442137673, 7962682122862778107
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OFFSET
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1,2
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COMMENTS
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Column 6 of A318045.
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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..1..1..1. .0..1..0..1..1..0. .0..1..0..1..0..1. .0..1..0..0..1..0
..1..1..0..0..0..0. .1..1..0..1..0..1. .1..1..1..0..1..0. .1..1..0..1..1..1
..0..1..1..0..0..1. .0..1..0..1..0..0. .0..1..1..0..1..0. .0..1..0..0..0..1
..0..1..1..1..1..0. .1..0..1..1..1..1. .0..1..0..0..1..0. .1..1..1..0..1..0
..0..1..0..0..0..1. .1..0..1..0..1..0. .1..0..1..1..0..1. .0..0..1..1..0..0
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CROSSREFS
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Cf. A318045.
Sequence in context: A097499 A132541 A159244 * A012639 A350926 A327732
Adjacent sequences: A318040 A318041 A318042 * A318044 A318045 A318046
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Aug 13 2018
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STATUS
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approved
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