A185886 - OEIS

%I #5 Mar 31 2012 12:36:04

%S 282672,66642628,16772497838,4223442979220,1060306245936410,

%T 266120814001133510,66791286531734378864,16763506421271197917026,

%U 4207342478663733222005422,1055970180394670224478558282

%N 1/729 the number of (n+2)X6 0..2 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace

%C Column 4 of A185891

%H R. H. Hardin, <a href="/A185886/b185886.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 4X6

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 05 2011