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A283128
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Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors.
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1
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64, 2816, 112276, 4598361, 187671790, 7664347268, 312996735204, 12781345612180, 521941108563948, 21314084605931116, 870384960980750200, 35543165931727677084, 1451445930088326314114, 59271458162967611805997
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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..0..1..1..0..1. .0..0..1..0..1..1. .1..0..0..0..1..0. .1..0..1..0..0..1
..1..0..0..1..1..0. .1..0..1..0..0..0. .0..1..1..0..0..1. .0..0..0..0..1..0
..1..1..1..0..1..1. .0..1..1..0..1..0. .1..0..1..1..1..0. .0..0..0..1..0..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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