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A146619
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Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1001-1111 pattern in any orientation.
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0
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1, 1, 1, 7, 5, 29, 17, 229, 435, 11673, 13907, 525361, 673479, 94102915, 98332589, 24274612029, 24632647889, 11463377696197, 15275499402585, 14840749743707725, 19628783151131753, 35553199302440544313, 48796642845817392973
(list; graph; refs; listen; history; internal format)
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