A172755 - OEIS

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

%S 0,1,28681,38578100932,552523141020099900,58256290618618126540488181,

%T 34391373190693800172956484206435649,

%U 92324899878614980043437168195067658467141080

%N Number of 2*n X n 0..3 arrays with row sums 6 and column sums 12

%H R. H. Hardin, <a href="/A172755/b172755.txt">Table of n, a(n) for n=1..15</a>

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 06 2010