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A172768
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Number of 3*n X 9 0..3 arrays with row sums 3 and column sums n
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1
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1680, 747558000, 772200774683520, 1182802402030354182000, 2275745987915517509338826880, 5078640963785630003833500263433600, 12577849178653907149465594061673565824000
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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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