%I #3 Mar 24 2013 10:31:36
%S 7,247,7504,228401,6555965,180713080,4777458798,122344224851,
%T 3041708958520,73824736436005,1754118644947248,40935403480469124,
%U 940380376523871886
%N Number of 6Xn 0..1 arrays with row sums nondecreasing and column sums unimodal
%C Row 6 of A223625
%e Some solutions for n=3
%e ..0..1..0....0..0..1....1..0..0....0..0..0....0..0..0....0..1..0....0..0..1
%e ..0..0..1....0..0..1....1..0..0....0..1..0....1..0..0....0..1..0....0..0..1
%e ..0..0..1....0..0..1....0..1..1....0..1..0....0..0..1....0..0..1....0..1..0
%e ..0..1..0....0..0..1....0..1..1....0..1..1....0..1..0....0..0..1....0..1..0
%e ..0..1..0....1..0..0....0..1..1....1..0..1....1..0..0....0..1..0....0..1..1
%e ..0..1..0....0..1..0....1..1..1....1..1..1....1..1..0....0..0..1....1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 24 2013