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A147043
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Number of n X n binary arrays with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.
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0
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1, 1, 1, 5, 17, 45, 273, 2925, 46625, 908301, 25944849, 1141847565, 74712257377, 7074982666029, 978286939049873, 197925384324109741, 58779837596021528865
(list; graph; refs; listen; history; internal format)
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