A204318 - OEIS

%I #5 Mar 31 2012 12:37:01

%S 296570,24722349,2434061311,117341267705,7934236341512,

%T 567813705120009,34674287699583159,2275598380196627853,

%U 151548735164120425259,9747407441652739008940,636537286434256170716385

%N Number of (n+2)X5 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..3 introduced in row major order

%C Column 3 of A204320

%H R. H. Hardin, <a href="/A204318/b204318.txt">Table of n, a(n) for n = 1..23</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 14 2012