%I
%S 4,85,3471,176893,9779558,556027700,31770135236,1805384910990,
%T 101606391647751,5657068092397559,311737148953336261,
%U 17023765723406625834,922742812050648219706
%N Number of n X n 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing
%C Diagonal of A223961
%e Some solutions for n=3
%e ..0..1..2....0..0..0....0..2..2....1..2..3....0..0..3....1..1..1....0..3..3
%e ..1..2..2....0..0..1....2..2..2....1..1..2....3..3..3....2..3..3....0..0..3
%e ..2..2..2....1..2..3....0..2..2....0..1..2....2..3..3....2..2..3....0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 29 2013
