A184559 - OEIS

%I #5 Mar 31 2012 12:36:00

%S 14180,1486258,134840527,12900566348,1214657950233,115000791536877,

%T 10868641315040295,1027803541995894568,97176104485641628222,

%U 9188347231740579769607,868772129294612664475944

%N Number of (n+1)X5 0..2 arrays with no 2X2 subblock summing to less than 4

%C Column 4 of A184564

%H R. H. Hardin, <a href="/A184559/b184559.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 17 2011