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A147090
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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 10001-11111 pattern in any orientation.
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0
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1, 1, 1, 1, 5, 13, 25, 51, 215, 1059, 6091, 34649, 217439, 1714483, 16064320, 187492557
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