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%I #6 Apr 26 2015 17:22:22
%S 1,3,55,10147,22069251,602351808741,215717608046511873,
%T 1046591482728407939338275,70417932475495769964322670258947,
%U 66879971495995556019851723767661130580273
%N Number of n X n 0..9 arrays with row sums n and column sums n.
%H R. H. Hardin, <a href="/A172962/b172962.txt">Table of n, a(n) for n=1..11</a>
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 06 2010
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