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A146809
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Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1010-1111 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 17, 17, 65, 65, 349, 349, 3731, 3731, 77219, 77219, 2029815, 2029815, 63522619, 63522619
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