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A283129
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Number of nX7 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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128, 10329, 749447, 56176300, 4191671248, 312996735204, 23371379782671, 1745014838632459, 130293529302052579, 9728514566669459164, 726389841649273665849, 54236674289471904467283, 4049639399544625776766470
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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=2
..1..1..0..1..0..1..1. .1..0..0..0..1..0..0. .1..1..0..0..1..0..0
..1..0..0..0..0..1..0. .0..0..0..0..1..0..1. .0..0..0..0..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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