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A146240 Number of n X n binary arrays with all ones connected only in a 110-111-010 pattern in any orientation. 0

%I #4 Mar 31 2012 12:35:09

%S 1,1,5,17,55,445,7601,166611,5058693,255201297,21434365863,

%T 2739845770351,552080325938657,172381380433171337,85160758251140175729

%N Number of n X n binary arrays with all ones connected only in a 110-111-010 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.0.0.0.1.0

%e .0.0.0.0.0.1.1.1

%e .0.0.0.1.1.0.1.1

%e .0.1.0.1.1.1.0.0

%e .1.1.1.0.1.0.1.0

%e .1.1.0.1.0.1.1.1

%e .0.0.1.1.1.0.1.1

%e .0.0.0.1.1.0.0.0

%K nonn

%O 1,3

%A _R. H. Hardin_

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)