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A146444
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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-0100-0111 pattern in any orientation.
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0
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1, 1, 1, 1, 5, 17, 61, 319, 1657, 10301, 78887, 808895, 10915803, 187729525, 3870401483
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