A183522 - OEIS

%I #5 Mar 31 2012 12:35:52

%S 13,309,2233,27609,371691,4406933,56562977,728459961,9260503697,

%T 118800214951,1524147275433,19534446701521,250583781238959,

%U 3214379129443263,41229745589418633,528882044555348133

%N Number of nX5 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors

%C Column 5 of A183526

%H R. H. Hardin, <a href="/A183522/b183522.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011