A172892 - OEIS

%I #4 Mar 31 2012 12:35:42

%S 0,2,606,3416992,125879845460,23548106318659596,

%T 18419713779316213098798,51819721687533499412779736320,

%U 464092875294121232699449367220361200,11955340654858543651865928739816679891692800

%N Number of n X n 0..6 arrays with row sums 11 and column sums 11

%H R. H. Hardin, <a href="/A172892/b172892.txt">Table of n, a(n) for n=1..12</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010