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A162033
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Number of nXn symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and all but the outermost 7 rows or columns zero
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1
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12062839548612627177590, 16806092138771527945440553, 21426543407547768431255510566, 25593279760991200204777303175565, 28710773607479112857974893233396825
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