%I #5 Mar 31 2012 12:37:05

%S 103876,5487807,291785631,15472955417,820342090696,43501020707845,

%T 2306771728514169,122321759466209533,6486393245936890354,

%U 343956270010397913842,18239088048925327307336,967170376334720158996481

%N Number of (n+2)X6 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..1 introduced in row major order

%C Column 4 of A205264

%H R. H. Hardin, <a href="/A205260/b205260.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012