%I #5 Dec 14 2013 06:51:31
%S 17064,27826929,345855899520,32842430056859347,
%T 23811740158656753556614,131875420683502307856971387719,
%U 5579329268797957710001574591451050376,1803344684216195708245651510240850004883561345
%N Number of (n+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
%C Diagonal of A233618
%H R. H. Hardin, <a href="/A233610/b233610.txt">Table of n, a(n) for n = 1..11</a>
%e Some solutions for n=1
%e ..1..0..0....0..2..1....1..2..2....2..2..1....2..2..0....0..1..1....0..1..0
%e ..1..1..1....2..0..1....0..2..1....1..2..2....0..2..2....0..2..1....1..2..0
%e ..2..0..1....1..0..2....2..0..0....2..1..1....0..0..0....0..1..1....0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2013