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A172625
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Number of n X n 0..2 arrays with row sums 5 and column sums 5
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1
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0, 0, 6, 1344, 1084851, 2030271480, 7873709050620, 57952896096182976, 754663198156942150944, 16426290801521822874931152, 570338548776486677507756325120, 30378597441131419114905188023754880
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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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