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Search: id:A162133
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| A162133 |
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Number of nXn symmetric 0..8 arrays with rows, considered as 9-ary numbers, in strictly increasing order |
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| 9, 360, 92640, 161285760, 2017447626240, 189005833196636160, 136458103771080331223040, 775113475209991141795962716160, 35190097760167101079770524663781130240
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