%I #4 Dec 18 2015 18:18:42
%S 4,60,3232,1058494,3062815568,90462380211862,29201160476766771330,
%T 108134253835820664368578112
%N Number of n X n 0..3 arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order
%C Column 3 of A229774
%e Some solutions for n=3
%e ..1..1..0....2..1..1....1..1..0....1..0..0....2..1..0....1..0..0....1..1..0
%e ..1..1..1....3..3..0....1..1..2....1..1..1....3..0..2....2..1..0....2..1..0
%e ..1..1..1....3..3..1....3..2..0....2..3..0....3..0..3....3..1..2....2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 29 2013