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A146875
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Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1110-0100-0111 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 5, 13, 25, 41, 109, 333, 897, 2841, 13365, 66133, 320121, 1501457, 8213389, 51555309
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