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A147084
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Number of n X n binary arrays symmetric under horizontal reflection 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, 15, 5, 49, 17, 413, 69, 21097, 4957, 597365, 167417, 46479458, 10293687, 14209217427, 1780809651, 3335818025813, 361684117509, 1853338605046214, 151849401091613, 2485203548826248423, 163350200078891767
(list; graph; refs; listen; history; internal format)
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