%I #3 Jan 25 2013 11:43:34
%S 0,21,142,1325,13682,109702,1104476,9561346,89663745
%N Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2loops or left turns
%C Column 6 of A221787
%e Some solutions for n=3
%e ..0..2..2..1..0..1....0..2..1..1..1..1....0..2..2..2..1..1....0..2..2..1..1..0
%e ..0..2..2..1..1..0....0..1..2..2..2..0....0..1..1..0..1..0....0..2..1..2..2..0
%e ..1..1..1..1..2..0....0..0..1..2..2..0....0..1..2..2..2..0....1..1..1..1..1..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 25 2013
