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A283346
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Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.
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1
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0, 2174, 224927, 16714556, 1199035122, 80410575348, 5221636463228, 330934422791290, 20589913083547464, 1263123249564407540, 76616864903843273585, 4604629442514360092362, 274618733099617441712031
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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=2
..0..1..0..0..0..1..1. .1..0..1..0..0..1..1. .1..0..1..1..0..1..0
..1..1..1..1..0..1..0. .1..1..1..0..1..0..1. .1..0..0..1..1..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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