A180756 - OEIS

%I #3 Mar 31 2012 12:35:46

%S 0,8,14,207,1874,20205,205020,2141384,22238670,232041425,2420128480,

%T 25258683242,263607333975,2751296309311,28715052573470,

%U 299699771800630,3127972672911502,32646796609958085,340736340129916559

%N Half the number of nX7 binary arrays with each element equal to at least two neighbors

%C Column 7 of A180760

%H R. H. Hardin, <a href="/A180756/b180756.txt">Table of n, a(n) for n=1..99</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Sep 20 2010