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A147230
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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 11011-01110 pattern in any orientation.
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0
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1, 1, 1, 1, 5, 9, 28, 67, 302, 1369, 9282, 54141, 470976, 3945073, 47144695, 569244886
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