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%I #4 Dec 11 2013 08:16:38
%S 8254896,1328621536,208066125583,32519299606118,5070020645309648,
%T 790268803855249807,123152447408851785342,19191100654338179315407,
%U 2990528559024374872097052,466009565463506152675878521
%N Number of (n+2)X(2+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically
%C Column 2 of A233488
%H R. H. Hardin, <a href="/A233484/b233484.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..0..0..1....0..0..0..0....0..0..1..1....0..0..0..0....0..0..1..1
%e ..0..3..3..0....0..2..1..2....3..3..3..3....3..2..0..0....3..3..1..1
%e ..1..0..0..1....3..1..0..1....0..2..1..0....3..0..1..0....0..2..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 11 2013