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A297511
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Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1s.
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1
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1, 876, 11405, 88808, 3075264, 66289769, 978288822, 19677228473, 410226893539, 7428573953424, 139931054756836, 2750243232989133, 52290968094715743, 990034495588191380, 19031260437956001426, 364274317770524751427
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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=4
..0..0..1..1. .0..1..0..0. .0..1..1..0. .0..0..0..0. .1..1..0..0
..0..0..0..0. .0..0..1..0. .0..0..0..1. .1..1..0..0. .0..0..0..0
..0..0..1..1. .0..1..1..0. .0..0..0..1. .0..0..1..0. .0..0..1..1
..1..0..0..1. .0..0..0..1. .0..0..1..0. .0..0..0..0. .0..1..0..0
..0..1..0..0. .0..0..0..0. .0..0..0..0. .0..1..1..0. .1..0..0..0
..1..0..0..0. .1..1..0..0. .0..1..1..0. .0..1..0..0. .0..0..0..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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