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%I #5 Dec 19 2013 06:32:19
%S 205808,2080660489,253278425289056,375374879187809108516,
%T 6735349509943736443611464626,1466848296931406086389233018287064725,
%U 3875312547093504478905733951478761298320690750
%N Number of (n+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
%C Diagonal of A234068
%H R. H. Hardin, <a href="/A234060/b234060.txt">Table of n, a(n) for n = 1..9</a>
%e Some solutions for n=1
%e ..1..2..0....0..2..0....2..0..1....1..2..1....1..0..1....2..0..0....1..1..0
%e ..1..1..3....1..0..0....0..3..1....2..0..2....1..3..2....2..0..0....0..0..2
%e ..0..3..3....2..2..0....2..1..1....3..0..1....0..1..0....3..0..3....3..3..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 19 2013
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