|
%I #4 Mar 31 2012 12:35:42
%S 1,3,55,10147,22069251,602351808741,215717608046511873,
%T 1046591482728407939338275,70413374705157290394475959841507,
%U 66845086415203272975671039831846565573553
%N Number of n X n 0..8 arrays with row sums n and column sums n
%H R. H. Hardin, <a href="/A172950/b172950.txt">Table of n, a(n) for n=1..12</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 06 2010
| 