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A282861
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Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.
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1
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81, 2028, 49471, 1369929, 35681883, 945547378, 25000646212, 660597156170, 17464365749979, 461623512113494, 12202233224208515, 322544923721567414, 8525895890487351554, 225367025047699642436, 5957177684230357360501
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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=3
..0..1..0..0..1..0..0. .0..0..0..0..1..0..0. .0..0..1..0..0..0..1
..0..0..0..0..0..0..1. .0..0..0..0..0..0..0. .1..0..0..1..1..0..1
..0..1..0..0..0..0..1. .1..1..0..0..1..0..1. .0..1..0..0..0..0..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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