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%I #5 Mar 31 2012 12:36:58
%S 2788842,11575205434,63988637491851,270356138202215532,
%T 898462061528909496153,2459051354235725726537096,
%U 5732451730121715144022348644,11655318352946527961268400859823
%N Number of (n+1)X5 0..6 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing
%C Column 4 of A203913
%H R. H. Hardin, <a href="/A203912/b203912.txt">Table of n, a(n) for n = 1..9</a>
%e Some solutions for n=4
%e ..6..4..4..4..4....2..5..1..1..1....1..0..0..4..4....2..3..2..4..6
%e ..4..6..6..6..6....5..2..6..6..6....0..1..4..2..2....6..5..6..5..5
%e ..6..5..5..5..5....1..6..3..3..6....1..4..0..4..4....5..6..5..6..4
%e ..5..6..6..6..6....4..4..3..3..0....0..5..1..2..4....6..5..6..5..5
%e ..5..6..6..6..6....5..3..6..6..2....6..2..2..1..2....5..6..5..6..4
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 07 2012
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