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A172751
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Number of 2*n X n 0..3 arrays with row sums 4 and column sums 8
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1
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0, 19, 81225, 3017084995, 635481090640800, 570651583984812418275, 1771064195990555279483745075, 16202379114136976323568007348596250, 385904790671942888212671079168713127308000
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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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