|
%I #4 Sep 22 2013 12:49:23
%S 7736,3801411,345706336,11782824375,213067487016,2476905427101,
%T 20800072613376,136134092151621,731603301365000,3351359707914031,
%U 13453090382588256,48331016196789131,157962741320042456
%N Number of 5X5 0..n zero-diagonal arrays with corresponding row and column sums equal
%C Row 5 of A229417
%H R. H. Hardin, <a href="/A229419/b229419.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=1
%e ..0..0..1..0..1....0..1..1..0..0....0..0..0..1..1....0..0..0..1..1
%e ..0..0..0..1..1....1..0..1..0..0....1..0..0..1..0....0..0..1..0..0
%e ..0..1..0..1..0....0..0..0..1..1....0..1..0..0..1....1..1..0..0..0
%e ..1..0..0..0..1....0..1..0..0..1....1..0..1..0..1....0..0..1..0..1
%e ..1..1..1..0..0....1..0..0..1..0....0..1..1..1..0....1..0..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 22 2013
| 