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Search: id:A162061
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| A162061 |
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Number of nXn symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order, and no more than 6 ones in any row or column |
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1
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| 2, 6, 18, 100, 794, 11268, 252987, 8945756, 446201625, 30067026570, 2590515855716, 274837925289083
(list; graph; listen)
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