%I #3 Oct 01 2012 06:05:29

%S 0,918,561573,267947653,119394609842,52019083898820,22467362744958042,

%T 9668189828315322283

%N Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor but without 2-loops

%C Column 6 of A217346

%e Some solutions for n=3

%e ..1..0..0..0..0..1....0..0..1..1..2..1....0..0..2..1..2..0....1..0..0..2..1..0

%e ..1..2..3..2..2..1....2..2..0..0..1..0....1..0..2..1..3..1....1..2..2..2..1..0

%e ..0..2..2..0..1..0....1..2..1..2..2..0....1..1..2..1..0..0....0..2..2..0..1..1

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 01 2012