%I #3 Mar 31 2012 12:35:46
%S 0,5,7,70,410,2986,20205,141313,986376,6925085,48597819,341209889,
%T 2395331138,16816717757,118065063145,828920971395,5819799452720,
%U 40860590480721,286880736650848,2014179680712444,14141486042579555
%N Half the number of nX6 binary arrays with each element equal to at least two neighbors
%C Column 6 of A180760
%H R. H. Hardin, <a href="/A180755/b180755.txt">Table of n, a(n) for n=1..199</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Sep 20 2010