%I #10 Apr 27 2015 11:28:45
%S 1,1,10,1540,2309384,20856798285,842286559093240,
%T 123538613356253145400,56272722406349235035916800,
%U 70417932475495769964322670258947,219302242655748448462474951981229489200
%N Number of n X n 0..9 arrays with row sums 9 and column sums 9.
%H R. H. Hardin, <a href="/A172958/b172958.txt">Table of n, a(n) for n = 0..15</a>
%Y Column k=9 of A257493.
%K nonn
%O 0,3
%A _R. H. Hardin_, Feb 06 2010