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A301352
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Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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5, 307, 7522, 165010, 3579171, 78012336, 1702789144, 37169645074, 811102103620, 17700435276365, 386271047442207, 8429491309514168, 183954560628734638, 4014391238836566599, 87604988009340421936, 1911780262833912138259
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0..0..0..0..0..0. .0..0..0..0..0..1. .0..0..0..0..1..0. .0..0..0..1..1..1
..0..1..1..0..1..1. .0..1..1..1..0..1. .0..1..1..1..0..1. .0..1..1..0..0..0
..0..0..1..0..0..1. .0..0..0..0..1..0. .0..0..0..0..0..1. .0..0..1..0..1..0
..1..0..1..1..0..1. .1..1..1..1..0..0. .0..1..1..1..0..1. .1..1..1..1..1..1
..1..0..0..0..0..0. .0..0..0..1..1..1. .0..0..0..1..0..1. .0..0..0..0..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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