A172592 - OEIS

%I #4 Mar 31 2012 12:35:40

%S 0,1,306407299538340,74580431332898028185458459628980,

%T 1639181069042816463750016605763302490015414336761600,

%U 1589885820403830809743559212333580058709307314045492378010426129831107500

%N Number of 5*n X 2*n 0..1 arrays with row sums 4 and column sums 10

%H R. H. Hardin, <a href="/A172592/b172592.txt">Table of n, a(n) for n=1..10</a>

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 06 2010