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%I #3 Feb 09 2014 06:08:51
%S 53831,3203193,143951490,7420279118,324957818406,15484808708276,
%T 656747157332801,29785900081044579,1232372701860212385,
%U 54052558221474470187
%N Number of (n+2)X(2+2) 0..2 arrays with the (lower) median of each row and column nondecreasing
%C Column 2 of A237548
%e Some solutions for n=1
%e ..0..0..1..0....1..0..0..2....0..2..0..0....2..0..1..2....2..1..1..1
%e ..1..2..0..2....0..2..2..0....0..0..1..2....1..1..1..2....1..1..0..1
%e ..2..1..2..1....0..0..0..0....2..0..0..1....1..1..1..1....0..1..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 09 2014