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A172576
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Number of 4*n X n 0..1 arrays with row sums 5 and column sums 20
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1
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0, 0, 0, 0, 1, 3246670537110000, 352231966693098849132080247442500, 203269774721184658406475682049947158681837795504000, 746770363520310669802381642326970209622854085785862010798716821780000
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OFFSET
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1,6
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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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