%I #4 Mar 31 2012 12:35:32
%S 1,41,730,9362,104989,1111283,11457514,116648336,1180202569,
%T 11903604235,119872630650,1206201901904,12132446588769,
%U 122008622244019,1226843867304300,12335770043909076,124031577709569399
%N Number of nX4 binary arrays with all 1s connected and a path of 1s from left column to right column
%H R. H. Hardin, <a href="/A163039/b163039.txt">Table of n, a(n) for n=1..22</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Jul 20 2009