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A283782
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Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
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1
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0, 564, 43793, 2343698, 109281786, 4572654404, 179632502674, 6737192690688, 244126676935480, 8613145295952112, 297460336039982839, 10094963044660987046, 337635823136300866898, 11153955582473959225840
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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=3
..0..0..0..0..1..1. .1..0..1..1..1..1. .1..0..0..0..0..0. .1..0..0..1..0..1
..1..1..0..0..1..1. .0..0..0..0..1..0. .1..1..1..0..1..0. .1..1..0..1..0..0
..1..0..1..0..1..0. .0..1..1..1..0..0. .0..1..1..0..0..0. .1..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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