%I #4 Mar 31 2012 12:36:56
%S 28,6050,1274165,261192161,50493863772,9306918766618
%N Number of nX6 0..2 arrays with the row and column sums nondecreasing
%C Column 6 of A203330
%e Some solutions for n=5
%e ..0..2..0..2..0..0....2..1..1..0..2..2....1..1..2..1..1..2....1..1..1..1..0..1
%e ..1..2..1..1..0..1....1..2..1..0..2..2....1..0..2..1..2..2....2..1..2..0..1..2
%e ..1..2..1..1..2..1....0..2..2..2..0..2....1..2..1..0..2..2....1..2..0..1..2..2
%e ..0..0..2..2..2..2....0..0..2..2..2..2....2..0..0..2..2..2....1..0..1..2..2..2
%e ..2..0..2..0..2..2....1..1..0..2..2..2....0..2..0..2..2..2....0..2..2..2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 31 2011
|