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A146652
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Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-0100-1111 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 17, 17, 57, 57, 265, 265, 2569, 2569, 62981, 62981, 1534149, 1534149, 39874393, 39874393
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