The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Mar 31 2012 12:35:15
%S 1,1,1,1,13,61,329,2787,39701,747265,18941331,668354617,33772020165
%N Number of n X n binary arrays with all ones connected only in a 11000-01110-00011 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.0.0.0.0.0.1
%e .0.1.1.1.0.0.1.1
%e .0.0.0.1.1.0.1.0
%e .1.0.0.0.0.1.1.0
%e .1.1.0.0.0.1.0.0
%e .0.1.0.1.1.0.0.0
%e .0.1.1.0.1.1.1.0
%e .0.0.1.0.0.0.1.1
%K nonn
%O 1,5
%A _R. H. Hardin_, Nov 04 2008