A147384 - OEIS

A147384

Number of n X n binary arrays with all ones connected only in a 10001-11111-00100 pattern in any orientation.

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

%S 1,1,1,1,13,57,241,1493,15662,167561,3201536,81713399,2408694438,

%T 99639130001

%N Number of n X n binary arrays with all ones connected only in a 10001-11111-00100 pattern in any orientation.

%e Maximal 8 X 8 example

%e .1.0.0.0.1.0.1.1

%e .1.1.1.1.1.0.1.0

%e .0.0.1.0.0.1.1.0

%e .1.1.0.0.0.0.1.0

%e .0.1.0.0.0.0.1.1

%e .0.1.1.0.0.1.0.0

%e .0.1.0.1.1.1.1.1

%e .1.1.0.1.0.0.0.1

%K nonn

%O 1,5

%A _R. H. Hardin_