|
%I #3 Jan 20 2013 20:00:56
%S 0,32,8072,2764070,804371949,240257613761,72063803799931,
%T 21695654478885490
%N Number of 6Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns
%C Row 6 of A221609
%e Some solutions for n=3
%e ..0..2..1....0..3..1....1..2..0....0..3..1....0..1..1....1..1..0....0..2..2
%e ..0..3..1....1..1..0....0..2..0....0..1..0....0..3..0....0..3..0....0..1..0
%e ..0..2..1....0..2..2....1..2..1....1..2..0....2..1..0....1..2..1....1..3..0
%e ..0..1..1....0..2..0....1..2..0....2..1..0....1..3..0....1..1..0....0..2..1
%e ..0..2..1....0..1..1....0..3..1....0..3..0....0..2..0....1..3..0....0..2..1
%e ..0..2..1....1..3..0....0..1..1....2..2..0....2..2..0....1..2..0....0..2..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 20 2013
| 