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%I #5 Mar 31 2012 12:37:01
%S 162000,15057392,1271789125,59151473070,2692305415538,78592862286558,
%T 2280158782254760,47375179742331854,981488838289977946,
%U 15710084391826908480,250882297840940220789,3265738290778768165918
%N Number of (n+1)X5 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards
%C Column 4 of A204309
%H R. H. Hardin, <a href="/A204306/b204306.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..2..1..1..0..2....0..2..3..0..1....1..1..3..2..0....1..0..2..2..0
%e ..1..0..2..1..2....1..1..1..3..3....1..0..0..1..3....1..3..0..3..3
%e ..2..1..1..3..1....1..2..3..3..2....2..2..3..2..3....2..3..3..3..0
%e ..0..1..1..2..1....1..1..2..3..3....1..3..1..3..3....1..3..0..3..3
%e ..1..2..1..3..1....3..2..3..3..2....3..3..3..3..3....2..3..3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 14 2012