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A147200
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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-0100-0111-0001 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 5, 13, 45, 141, 593, 2479, 13149, 73679, 588757, 5000629, 56709831, 657094563
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