%I #5 Mar 31 2012 12:36:00
%S 165,1983,20514,225739,2429833,26384550,285552669,3094453927,
%T 33517063586,363104617411,3933373186569,42609958428230,
%U 461585542594517,5000289770972767,54167328433304858,586786270194480467
%N Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum greater than 4
%C Column 2 of A184497
%H R. H. Hardin, <a href="/A184490/b184490.txt">Table of n, a(n) for n = 1..200</a>
%F Empirical: a(n)=8*a(n-1)+42*a(n-2)-106*a(n-3)-213*a(n-4)+351*a(n-5)+186*a(n-6)-256*a(n-7)-40*a(n-8)+48*a(n-9)
%e Some solutions for 5X3
%e ..0..2..0....0..2..1....0..2..2....0..2..1....0..2..2....0..2..2....0..2..1
%e ..2..2..1....2..2..1....1..2..0....1..2..2....2..2..2....2..1..1....2..1..2
%e ..2..1..2....2..2..1....1..2..2....0..2..2....0..1..2....2..2..2....0..2..1
%e ..1..2..0....2..2..2....1..2..2....2..2..2....2..2..2....2..1..1....1..2..1
%e ..1..2..2....2..1..0....2..2..1....0..2..0....0..1..1....2..2..1....2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 15 2011