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A162081
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Number of n X n symmetric 0..5 arrays with rows, considered as 6-ary numbers, in nondecreasing order
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1
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6, 111, 8441, 2951871, 4990997276, 42227736188406, 1835170482716726511, 417963227425376901238466, 506719281813970629197724782396, 3310958766723218703784866984459793926
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