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A172709
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Number of 7*n X 14 0..2 arrays with row sums 2 and column sums n
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1
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681080400, 1908371363842760216400, 23511842995969107700302647865600000, 563878027583411427270722913947560641974771250000, 19762924171488525106388046998057857689799517215013510114150400
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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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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