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 1,1,1,1,1,1,5,13,33,133,443,1649,9331,62887,470664,4206245,41999179,
%T 473581733,6364226039,101605745953,1937023317718,43487285044885,
%U 1131769983108977
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 10001-11111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.0.0.0
%e .0.0.0.1.0.0.0.1
%e .0.0.0.1.1.1.1.1
%e .0.1.1.0.0.0.0.0
%e .0.0.1.0.0.0.0.0
%e .0.0.1.0.0.0.0.0
%e .0.0.1.0.0.0.0.0
%e .0.1.1.0.0.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008