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A146443
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Number of n X n binary arrays symmetric under 90 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, 1, 1, 1, 17, 41, 75, 189, 781, 2423, 8297, 41313, 246219, 1447691, 8722011, 58593249, 472152107, 3875447631
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