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A162039
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Number of nXn symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 5 ones in any row
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0
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2, 5, 17, 86, 698, 8853, 157014, 3797408, 115090450, 4234205332, 185001672488, 9420876404098, 550756524966710
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