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A172908
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Number of 2*n X n 0..6 arrays with row sums 6 and column sums 12
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1
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1, 231, 4645936, 2503134855620, 18123941520898218600, 1125711921752126203903372141, 436763455430178705879474096982721048, 835840537229783152562450810757651648205244120
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OFFSET
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1,2
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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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