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A282966
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Number of nX5 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
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2
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2, 75, 2012, 35870, 577003, 8716978, 124683166, 1722329260, 23131988665, 303943320975, 3922864361193, 49884634204045, 626460395324048, 7783341691487342, 95809806339522244, 1169851278932453293
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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=4
..0..0..1..0..0. .0..0..0..1..1. .0..0..0..0..1. .0..0..0..1..1
..0..1..0..0..0. .1..0..1..0..0. .1..1..0..0..1. .0..0..0..0..1
..0..1..0..0..0. .0..0..1..0..0. .0..0..0..0..1. .1..0..0..0..0
..1..0..1..0..1. .0..0..0..1..1. .0..1..1..0..1. .1..1..0..1..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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