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%I #5 Dec 18 2015 18:18:34
%S 4,160,13683,1334973,137489538,14587480744,1597855917875,
%T 182011677068828,21714188491890254,2721720866571310952,
%U 357937736330145145387
%N Number of n X n 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing
%C Diagonal of A224281
%e Some solutions for n=3
%e ..2..0..0....0..1..1....0..0..1....0..0..0....0..0..1....2..1..1....0..0..0
%e ..2..2..1....2..2..2....3..2..2....0..1..1....3..3..1....3..2..1....0..0..1
%e ..3..3..3....2..3..0....2..2..2....2..2..1....3..3..2....2..2..3....1..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 02 2013