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%I #3 Mar 31 2012 12:35:08
%S 1,1,1,4,10,25,98,304,1809,7930,72506,400613,5713422,40142648,
%T 888016669,8057185631,274304468798,3201392865337,169069430683773,
%U 2534673576738596,207045671219200314,3988243193242437962,504059170133969414707
%N Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only either two adjacent vertically or two adjacent horizontally.
%K nonn
%O 1,4
%A _R. H. Hardin_, Oct 18 2008