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A146256
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Number of n X n binary arrays with all ones connected only in a 110-111-101 pattern in any orientation.
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0
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1, 1, 9, 33, 81, 609, 23953, 643873, 12050113, 545308145, 74642042017, 10960166126121, 1660619212003185, 467825703162664825
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