A172841 - OEIS

%I #6 Jan 27 2022 21:06:52

%S 2385,1047649905,811889208811800,816961921232733507825,

%T 953508835712685968036205885,1224549137633779037361672006525000,

%U 1681239341019391732613433550580491453200

%N Number of 3*n X 6 0..4 arrays with row sums 4 and column sums 2*n.

%H R. H. Hardin, <a href="/A172841/b172841.txt">Table of n, a(n) for n=1..28</a>

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 06 2010