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A282392
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Number of n X n 0..1 arrays with no 1 equal to more than three of its king-move neighbors.
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0
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2, 16, 324, 23773, 5297294, 3599858930, 7910979963313, 53854022070851701, 1148683749680759012469, 77042220735586114776631734, 16170289409470789812334507667662
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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..1. .0..1..1..1. .1..0..0..0. .0..0..0..0. .0..0..1..0
..1..1..0..0. .1..0..0..0. .1..1..0..0. .1..1..1..0. .1..0..0..0
..0..0..0..0. .0..0..0..1. .0..0..1..1. .1..0..0..1. .1..0..0..0
..0..1..0..1. .1..1..0..1. .1..1..0..0. .0..0..0..0. .1..1..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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