A172776 - OEIS

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

%S 0,70,125290570185,47141783957741721328080,

%T 1083265025247084674355419003777905401,

%U 778626541064162359278560268669084299553822689853360

%N Number of 4*n X n 0..3 arrays with row sums 5 and column sums 20

%H R. H. Hardin, <a href="/A172776/b172776.txt">Table of n, a(n) for n=1..11</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010