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A172939
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Number of n X n 0..8 arrays with row sums 15 and column sums 15
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1
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0, 2, 1462, 33427744, 7500881437251, 12504843842710113540, 124430557151683165279097411, 6218376942668389682021820614125312, 1354372742296729064606689624633970992039248
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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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