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A172653
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Number of 2*n X n 0..2 arrays with row sums 4 and column sums 8.
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1
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0, 1, 2385, 115321795, 31237467004800, 35265186498828525525, 134169254007831527780970675, 1469515974755674798685294756444250, 41035736539141994695629689682970685292000
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OFFSET
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1,3
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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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