%I #3 Jan 15 2013 20:12:50

%S 0,64,2250,107695,3813004,156275181,6079373768,237226735061

%N Number of 6Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two

%C Row 6 of A221419

%e Some solutions for n=3

%e ..0..2..2....2..0..0....2..0..2....2..0..2....2..2..0....0..2..0....2..2..0

%e ..0..0..2....2..2..0....0..2..0....0..2..2....0..0..2....2..2..0....0..0..2

%e ..2..0..0....2..0..0....2..2..0....0..0..2....2..0..0....0..2..2....0..2..2

%e ..0..2..0....0..2..2....0..2..0....0..2..0....0..2..2....0..2..0....0..0..0

%e ..2..2..0....2..2..0....0..2..0....2..0..0....0..2..0....0..2..0....2..2..0

%e ..2..2..0....0..2..0....2..0..2....0..2..2....2..2..0....2..2..0....0..2..2

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 15 2013