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A146706 Number of n X n binary arrays with all ones connected only in a 1100-1111-0100 pattern in any orientation. 0

%I

%S 1,1,1,17,49,329,4511,91215,2775809,118081991,8300875867,930028727469,

%T 155873672022641

%N Number of n X n binary arrays with all ones connected only in a 1100-1111-0100 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.0.0.0.1.0

%e .0.1.0.0.0.0.1.0

%e .0.1.0.0.0.1.1.1

%e .1.1.1.0.0.0.1.1

%e .1.1.0.0.1.1.0.0

%e .0.0.1.0.1.1.1.0

%e .1.1.1.1.0.1.0.0

%e .0.0.1.1.0.1.0.0

%K nonn

%O 1,4

%A _R. H. Hardin_, Nov 04 2008

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Last modified September 20 05:17 EDT 2021. Contains 347577 sequences. (Running on oeis4.)