A172732 - OEIS

%I #4 Mar 31 2012 12:35:41

%S 0,0,0,1,153040,210668680701,1031515670404216935,

%T 16533561074241057523755540,808064031263375768787771957383712,

%U 111562091000778108490941203120508002739900

%N Number of n X n 0..3 arrays with row sums 12 and column sums 12

%H R. H. Hardin, <a href="/A172732/b172732.txt">Table of n, a(n) for n=1..12</a>

%K nonn

%O 1,5

%A _R. H. Hardin_ Feb 06 2010