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A172535
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Number of n X n 0..1 arrays with row sums 11 and column sums 11.
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2
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 479001600, 3574340599104475200, 27537152449960680597739468800, 254143667822686635850590661555095468000, 3183529624645847695375078143769686741065620316160
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OFFSET
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1,12
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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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