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A147202
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0101-0111 pattern in any orientation.
+0
1
1, 1, 1, 1, 1, 1, 17, 27, 551, 1021, 8573, 22795, 308785, 847643, 66874367, 234921783, 36568568531, 162590981411, 22736801115521, 121607805121155, 25119564285391935
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
AT&T Labs Research
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