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A146791
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Number of n X n binary arrays with all ones connected only in a 0110-0100-1111 pattern in any orientation.
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0
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1, 1, 1, 17, 49, 129, 2513, 72929, 1541697, 32044977, 1793069393, 194582650081, 23560543717409, 3138929297030737
(list; graph; refs; listen; history; internal format)
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