%I #4 Mar 31 2012 12:36:44
%S 18,36487,168357815,732383803600,2571822263246639,7383126698273869479
%N Number of nX6 zerosum 2..2 arrays with rows and columns lexicographically nondecreasing
%C Column 6 of A201496
%e Some solutions for n=2
%e .2.1.1..0..0..2...2.1.1..1..1..1...2.1.1..0..1..1...2..0..0..0..1..2
%e .1.1.1..2..2..1....1..0..0.2..1..1....2.2..2..2.2..0...2..0..2..2.1.2
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 02 2011
