A172677 - OEIS

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

%S 2385,342829125,96307175477520,35265186498828525525,

%T 14988373385805104784584085,7011583640699581889649892843200,

%U 3507072475491201687990422459298120000

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

%H R. H. Hardin, <a href="/A172677/b172677.txt">Table of n, a(n) for n=1..28</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010