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A146776
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0010-1010-1111 pattern in any orientation.
+0
1
1, 1, 1, 1, 1, 1, 17, 27, 551, 1025, 9065, 24039, 430341, 1208611, 88984447, 322624067, 42836270201, 190686627801, 27661973527585, 149211196626477, 36642661396277021
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
AT&T Labs Research
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