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A172546
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Number of 2*n X n 0..1 arrays with row sums 10 and column sums 20
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1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 548828480360160000, 4237239732072431006302896746240010000, 22899532804595954935644287742940961780296483414339200000
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OFFSET
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1,11
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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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