A172725 - OEIS

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

%S 0,0,0,282,13130451,2805859246095,1995721130136414975,

%T 4263492449580925474047120,24875052693330062712109843270944,

%U 364459290339560650671344361875961740353

%N Number of n X n 0..3 arrays with row sums 10 and column sums 10

%H R. H. Hardin, <a href="/A172725/b172725.txt">Table of n, a(n) for n=1..15</a>

%K nonn

%O 1,4

%A _R. H. Hardin_ Feb 06 2010