A221691 - OEIS

%I #4 Jan 22 2013 07:11:39

%S 28,11036,2627760,659020617,164441398718,41023076707062,

%T 10233875156794211,2553004334803146133,636887763097823284411,

%U 158881831138559422724173,39635611567879464460692735

%N Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction

%C Column 5 of A221693

%H R. H. Hardin, <a href="/A221691/b221691.txt">Table of n, a(n) for n = 1..17</a>

%e Some solutions for n=3

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

%e ..0..4..0..0..1....0..4..0..0..1....0..3..0..3..0....0..2..0..1..1

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 22 2013