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%I #4 Nov 28 2014 09:38:42
%S 64000000,4000000000,250000000000,15625000000000,382812500000000,
%T 9378906250000000,229783203125000000,3152625546875000000,
%U 43254022503125000000,593445188742875000000,5469190859454336000000
%N Number of (n+2)X(3+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column
%C Column 3 of A250868
%H R. H. Hardin, <a href="/A250863/b250863.txt">Table of n, a(n) for n = 1..80</a>
%e Some solutions for n=1
%e ..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
%e ..2..2..0..3..2....0..3..3..0..3....0..0..0..3..2....2..0..1..2..3
%e ..1..0..0..2..3....2..1..1..3..2....0..1..3..3..2....0..0..0..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 28 2014
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