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A147132 Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1001-1111 pattern in any orientation. 0

%I

%S 1,1,1,1,1,1,17,21,513,983,10393,25501,371965,1045185,45350635,

%T 151885957,15301404559,63656571009,10185822253393,51223616106841,

%U 10431158742897567

%N Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1001-1111 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.0.0.0.0.0

%e .0.0.0.0.0.0.0.0

%e .0.0.0.0.0.0.0.0

%e .0.0.0.0.0.0.0.0

%e .0.1.1.0.0.1.1.0

%e .0.0.1.0.0.1.0.0

%e .0.0.1.0.0.1.0.0

%e .1.1.1.0.0.1.1.1

%K nonn

%O 1,7

%A _R. H. Hardin_, Nov 04 2008

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Last modified February 3 14:36 EST 2023. Contains 360035 sequences. (Running on oeis4.)