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A172944
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Number of n X n 0..8 arrays with row sums 8 and column sums 8.
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4
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1, 1, 9, 1035, 981541, 4855258305, 94459713879600, 5945968652327831925, 1046591482728407939338275, 459761347800901006933211075259, 460129061613105910803354676484897475
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