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A172543
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Number of n X n 0..1 arrays with row sums 15 and column sums 15.
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1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 20922789888000, 10268902998771351157327104000, 2767806480542211571651550187279222472704000
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OFFSET
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1,16
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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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