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A172567
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Number of 3*n X n 0..1 arrays with row sums 4 and column sums 12
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1
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0, 0, 0, 1, 168168000, 666569141498660400, 12218892645550878420052920000, 959794291357783500093926796260896462300, 289360589460480315988823313632867603848637000544000
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OFFSET
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1,5
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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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