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A172754
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Number of 2*n X n 0..3 arrays with row sums 10 and column sums 20
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1
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0, 0, 0, 1093050, 37642786694586601, 14162844503221350778432935135, 53130204996192153080609362878028936125345, 1711672166340730383529033759740996945302163471959773200
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OFFSET
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1,4
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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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