%I #3 Mar 31 2012 12:35:07
%S 1,2,1,5,4,10,32,89,174,2023,3612,30003,170438,1387640,7339317,
%T 153956133,877660696,18345445123,211690980458,5237531076262
%N Number of n X n binary arrays, symmetric about both diagonal and antidiagonal, with every 1 adjacent to at least one other 1 both bishopwise and rookwise but with no three 1s in a row bishopwise or rookwise.
%K nonn
%O 1,2
%A _R. H. Hardin_, Sep 15 2008