A147360 - OEIS

A147360

Number of n X n binary arrays with all ones connected only in a 01110-11111 pattern in any orientation.

%I #4 Mar 31 2012 12:35:16

%S 1,1,1,1,25,141,756,10461,137862,2668563,89609916,3827996725,

%T 213188142328

%N Number of n X n binary arrays with all ones connected only in a 01110-11111 pattern in any orientation.

%e Maximal 8 X 8 example

%e .1.1.1.1.1.0.0.0

%e .0.1.1.1.0.0.0.0

%e .0.0.0.0.0.0.0.1

%e .1.0.0.0.0.0.1.1

%e .1.1.0.0.0.0.1.1

%e .1.1.0.1.1.1.0.1

%e .1.0.1.1.1.1.1.0

%K nonn

%O 1,5

%A _R. H. Hardin_