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A296385
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Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 2 neighboring 1s.
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1
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37, 2728, 81661, 3372222, 138882856, 5498685275, 221204933878, 8887761158698, 356576134627608, 14315319558357738, 574677595957999964, 23068808260692029253, 926051656630306277098, 37174473698314395980970
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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..1. .0..0..0..0..0..1..1. .0..0..0..0..1..1..1
..0..0..1..1..0..1..0. .0..0..0..1..0..0..1. .0..0..1..1..0..0..1
..0..0..0..0..0..0..0. .0..0..0..1..1..1..0. .0..0..0..0..1..0..0
..0..0..0..1..0..0..0. .0..0..0..0..0..0..0. .0..0..0..1..0..0..1
..0..0..0..1..1..1..1. .0..0..0..1..1..0..0. .0..0..0..1..0..1..0
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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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