|
%I #3 Jan 11 2013 05:38:37
%S 1,19601,9637322,7010554450,4205264399891,2568131772343102,
%T 1529318909534974055,908027872393164105009
%N Number of 6Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2
%C Row 6 of A221328
%e Some solutions for n=3
%e ..0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0
%e ..1..2..0....1..2..2....1..2..0....2..1..0....1..2..1....2..1..0....2..1..0
%e ..2..1..0....1..1..1....2..2..1....2..1..1....0..2..2....1..2..1....2..1..1
%e ..2..1..2....1..2..0....1..1..2....0..2..2....1..1..2....2..2..1....2..2..0
%e ..1..1..0....2..0..2....0..0..1....2..0..2....0..0..1....1..2..1....1..0..2
%e ..2..1..1....1..0..1....2..1..1....1..0..1....2..2..0....0..1..0....1..0..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 11 2013
| 