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A146855 Number of n X n binary arrays with all ones connected only in a 1101-0111-0100 pattern in any orientation. 0

%I

%S 1,1,1,17,49,249,3481,80333,1943801,59816323,3493732595,338685091013,

%T 44460911929907

%N Number of n X n binary arrays with all ones connected only in a 1101-0111-0100 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.1.0.1.1.0.0

%e .0.0.1.1.1.0.1.1

%e .0.0.0.0.1.0.1.0

%e .0.0.0.0.0.1.1.1

%e .0.0.0.0.0.0.0.1

%e .1.1.0.1.0.1.0.0

%e .0.1.1.1.0.1.1.1

%e .0.1.0.0.1.1.0.1

%K nonn

%O 1,4

%A _R. H. Hardin_, Nov 04 2008

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Last modified January 30 09:51 EST 2023. Contains 359943 sequences. (Running on oeis4.)