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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

%I

%S 1,1,1,1,1,1,17,27,551,1025,9065,24039,430341,1208611,88984447,

%T 322624067,42836270201,190686627801,27661973527585,149211196626477,

%U 36642661396277021

%N 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.

%e Maximal 8 X 8 example

%e .0.0.1.0.0.1.0.0

%e .1.1.1.0.0.1.1.1

%e .0.0.1.0.0.1.0.0

%e .0.1.1.0.0.1.1.0

%e .1.0.0.0.0.0.0.1

%e .1.1.1.0.0.1.1.1

%e .1.0.0.0.0.0.0.1

%e .1.1.0.0.0.0.1.1

%K nonn

%O 1,7

%A _R. H. Hardin_, Nov 04 2008

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Last modified June 28 05:18 EDT 2022. Contains 354903 sequences. (Running on oeis4.)