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A172911
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Number of 2*n X n 0..6 arrays with row sums 7 and column sums 14
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1
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0, 146, 11455470, 25512834226600, 950699986010003704500, 388015827514187438302900020000, 1252647814330243252910452100864057894337, 24848247984277498423162949237290870891470475838400
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OFFSET
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1,2
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LINKS
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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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