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A283955
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Number of 6Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
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1
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0, 0, 71486, 4510608, 242330064, 13010689912, 667015216686, 32960788748780, 1600697201681958, 76611709398415200, 3619757534989162198, 169346455636754049580, 7859113340842715699470, 362219493645285494837272
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..1..1..1. .1..1..0. .1..0..0. .1..1..1. .1..1..0. .0..0..1. .0..0..1
..0..1..1. .1..0..1. .0..0..0. .1..1..0. .1..0..1. .0..0..1. .0..0..1
..1..0..1. .1..1..1. .0..1..1. .0..0..1. .1..1..0. .0..1..1. .1..1..1
..0..0..1. .1..1..0. .1..1..1. .1..0..0. .0..0..1. .0..0..1. .0..1..1
..1..0..0. .0..0..0. .1..0..0. .1..1..1. .1..0..0. .1..0..1. .0..0..0
..0..0..1. .1..0..1. .1..0..0. .0..0..0. .1..0..0. .1..1..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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