%I #5 Mar 31 2012 12:36:48
%S 5,37,235,1526,9325,57255,342295,2048759,12097875,71623580,421070137,
%T 2483305077,14588495861,85996521989,505767515227,2984447588198,
%U 17583885515973,103920730449567,613473612747653,3631554358770128
%N Number of nX4 0,1 arrays with the row and column sums nondecreasing
%C Column 4 of A202560
%H R. H. Hardin, <a href="/A202556/b202556.txt">Table of n, a(n) for n = 1..46</a>
%e Some solutions for n=6
%e ..1..0..1..0....0..0..0..0....0..0..1..0....0..0..0..0....0..1..0..0
%e ..0..1..0..1....0..0..0..0....1..0..0..1....0..1..0..1....1..0..0..0
%e ..0..1..0..1....0..0..0..0....0..1..0..1....1..0..0..1....0..0..0..1
%e ..0..0..1..1....1..0..0..1....0..1..0..1....0..1..1..0....0..0..0..1
%e ..1..1..0..0....0..0..1..1....1..0..1..1....0..0..1..1....0..0..1..0
%e ..0..0..1..1....0..1..1..1....0..1..1..1....1..1..1..1....0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 21 2011