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%I #5 Jan 10 2014 09:52:19
%S 450,5295,65497,606279,5672018,42941705,326261718,2114123393,
%T 13717203464,78618554282,450962719878,2341563216530,12169383655510,
%U 58279149678143,279416891742504,1251184914041769,5610028675479560,23741327971799762
%N Number of (n+1)X(2+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise
%C Column 2 of A235441
%H R. H. Hardin, <a href="/A235438/b235438.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..1..0..0....2..1..1....0..2..0....2..0..0....0..0..0....1..0..1....1..0..1
%e ..0..2..0....1..0..2....0..0..0....2..2..0....2..1..0....2..1..1....2..0..0
%e ..1..0..1....2..2..1....2..1..1....2..1..0....0..0..2....0..2..0....1..2..2
%e ..1..2..1....2..2..2....0..1..1....2..2..1....2..2..1....1..2..2....1..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 10 2014
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