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A172958
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Number of n X n 0..9 arrays with row sums 9 and column sums 9.
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4
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1, 1, 10, 1540, 2309384, 20856798285, 842286559093240, 123538613356253145400, 56272722406349235035916800, 70417932475495769964322670258947, 219302242655748448462474951981229489200
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OFFSET
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0,3
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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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