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Number of 6*n X 6 0..4 arrays with row sums 5 and column sums 5*n
1

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

%S 29990997180,1295886527534643220837980,

%T 107592348627283647736871768193003754560,

%U 11800125905631135878642235825767415740742008020764060

%N Number of 6*n X 6 0..4 arrays with row sums 5 and column sums 5*n

%H R. H. Hardin, <a href="/A172852/b172852.txt">Table of n, a(n) for n=1..11</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010