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Search: id:A162116
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| A162116 |
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Number of nXn symmetric binary arrays with rows, considered as graycode numbers, in strictly increasing order, and no more than 8 ones in any row or column |
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1
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| 2, 4, 9, 56, 499, 8000, 207554, 9382078, 723818669, 93919689474, 19191447316594, 5833792312541241
(list; graph; listen)
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