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A147418 Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1001-1111-0110 pattern in any orientation. 0

%I

%S 1,1,1,1,1,1,1,2,1,4,1,6,3,13,9,46

%N Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1001-1111-0110 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.1.0.0.1.0.0

%e .0.0.1.1.1.1.0.0

%e .1.1.0.1.1.0.1.1

%e .0.1.1.0.0.1.1.0

%e .0.1.1.0.0.1.1.0

%e .1.1.0.1.1.0.1.1

%e .0.0.1.1.1.1.0.0

%e .0.0.1.0.0.1.0.0

%K nonn

%O 1,8

%A _R. H. Hardin_

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Last modified September 20 01:52 EDT 2019. Contains 327207 sequences. (Running on oeis4.)