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A146038 Number of n X n binary arrays with all ones connected only in a 2X4 tee 1,1 1,2 1,3 2,3 1,4 in any orientation. 0

%I

%S 1,1,1,29,249,4021,99935,4398251,362789159,47338031953,10727733486159,

%T 4071858369077715

%N Number of n X n binary arrays with all ones connected only in a 2X4 tee 1,1 1,2 1,3 2,3 1,4 in any orientation.

%e Maximal 8 X 8 example

%e .1.1.1.1.0.0.1.0

%e .0.1.0.0.0.0.1.0

%e .0.0.1.0.1.0.1.1

%e .0.1.1.0.1.0.1.0

%e .1.0.1.0.1.1.0.1

%e .1.0.1.0.1.0.0.1

%e .1.1.0.1.0.0.1.1

%e .1.0.1.1.1.1.0.1

%K nonn

%O 1,4

%A _R. H. Hardin_, Oct 26 2008

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Last modified October 31 07:45 EDT 2020. Contains 338101 sequences. (Running on oeis4.)