%I #6 Mar 31 2012 12:36:04
%S 8,2765,546280,139230658,32611077940,7921723799549,1897334511466261,
%T 457135757368429048,109875454057222039886,26435697398605508731039,
%U 6357732815393016703934708,1529282331683348275213637905
%N 1/8 the number of nX4 0..7 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors
%C Column 4 of A185903
%e Some solutions for 3X4 with a(1,1)=0
%e ..0..4..4..3....0..0..6..6....0..4..1..0....0..0..4..5....0..0..5..4
%e ..0..0..1..3....2..0..3..3....0..4..1..0....4..0..4..5....0..6..5..4
%e ..6..6..1..1....2..2..2..3....7..7..2..2....4..0..3..3....0..6..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2011