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%I #4 Mar 31 2012 12:36:35
%S 11,16866,14511531,15958823113,16158623337745,16925667317073175
%N Number of nX7 0..3 arrays with values 0..3 introduced in row major order and each element equal to one or two horizontal and vertical neighbors
%C Column 7 of A199149
%e Some solutions for n=3
%e ..0..0..1..2..2..0..1....0..0..0..1..2..0..0....0..0..1..0..2..3..0
%e ..0..1..1..3..0..0..1....0..1..0..1..2..2..2....0..1..1..0..2..3..0
%e ..0..0..3..3..2..2..1....0..1..0..1..1..3..3....0..0..0..0..1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 03 2011