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A147183
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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1111-0101 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 1, 3, 13, 37, 69, 153, 515, 1541, 5473, 24829, 107075, 576645, 3229459, 20010951, 136930705, 1005926097
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