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A269886
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Number of nX6 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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18750, 99482544, 288987039048, 733651366146384, 1733054018904626400, 3917218310933741356320, 8592417348512597988522360, 18442011794478916607017890864, 38934726067576779753040234742184
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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..2..5..0..3..1. .3..3..2..4..2..0. .2..5..2..3..1..1. .2..3..1..3..3..4
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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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