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A232407
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Number of (n+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor
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0
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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
..0..2..2....0..2..1....2..2..1....2..0..0....1..2..1....2..0..0....2..2..0
..2..0..2....2..0..0....2..0..1....1..2..2....2..0..1....2..2..1....2..0..0
..2..2..1....0..1..0....0..2..2....1..1..1....2..2..0....2..2..2....0..2..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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