%I #3 Mar 31 2012 12:35:46
%S 8,1172,89602,7053923,561487456,44560487654,3538520414645,
%T 280971809714842,22310318523546774,1771532822371947357,
%U 140667082973087038600,11169552997132511054788,886909077729036810872471
%N Half the number of nX7 binary arrays with each element equal to at least one neighbor
%C Column 7 of A180771
%H R. H. Hardin, <a href="/A180767/b180767.txt">Table of n, a(n) for n=1..99</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 20 2010