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%I #3 Mar 31 2012 12:35:07
%S 1,2,1,5,12,94,382,8683,15288,1371209,4724300,743433847,5878981024,
%T 2003707805150,14591668576691,15256793835289447,136761880167895688,
%U 342467857870682559089,5411121863693582877434
%N Number of n X n binary arrays, symmetric under horizontal reflection, 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