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A269885
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Number of nX5 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling five exactly once.
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1
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3000, 5125008, 4546948272, 3515869538472, 2524680110862912, 1733054018904626400, 1153865935196746139616, 751466744196523891197864, 481288296794232367244430960, 304238215502271049181330977896
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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=1
..2..3..3..5..2. .1..0..5..5..1. .2..3..5..1..0. .3..3..2..0..3
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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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