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A196427
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Number of nX5 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself
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1
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26, 5274, 452252, 67917500, 9212529925, 1248257908304, 170481239106658, 23253883615868280, 3174860835433669171, 433122677208825151825, 59096875141501889225334, 8064447558203684499566106
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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=3
..2..1..0..0..2....1..2..1..1..1....1..2..1..1..0....1..2..1..1..2
..1..2..3..3..0....0..4..0..0..0....0..4..0..2..2....0..4..0..0..0
..0..3..1..0..2....0..0..2..3..0....0..1..1..2..0....0..2..1..1..2
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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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