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A162118
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Number of nXn binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order
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0
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2, 4, 25, 408, 18003, 2289232, 851979730, 942937083934, 3167530249345690, 33089477020771124591, 1100195641116766627675728
(list; graph; refs; listen; history; internal format)
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