%I #5 Dec 18 2015 18:18:34
%S 3,36,648,12467,238366,4480391,83124099,1530419762,28072690614,
%T 514262753781,9420094252771
%N Number of n X n 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing
%C Diagonal of A224262
%e Some solutions for n=3
%e ..0..2..0....0..1..0....0..0..0....1..1..0....1..2..0....2..1..1....0..1..0
%e ..0..2..0....0..1..0....2..0..0....2..2..1....2..2..0....2..2..2....2..2..2
%e ..0..2..0....1..1..2....2..1..0....2..2..2....2..2..0....2..2..2....2..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 02 2013