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A301399
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Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 41, 554, 15538, 521514, 16325745, 528025038, 16971131642, 546618326745, 17603736711807, 566956049378525, 18260390329067940, 588124654381330816, 18942222518786814929, 610087935644210871329, 19649617831383406991765
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OFFSET
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1,2
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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..0..0..0. .0..0..1..1..1..1..1
..0..0..1..1..0..0..1. .0..0..0..0..0..0..0. .0..0..1..1..1..1..0
..0..1..1..0..1..1..1. .0..1..1..0..1..1..1. .0..1..1..1..0..0..0
..0..1..0..1..1..1..1. .0..1..1..1..1..1..0. .0..0..1..1..0..1..1
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..1..0..0..1..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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