%I #6 Jun 29 2013 12:10:19

%S 0,9,144,2916,82944,3240000,167961600,11202105600,936404582400,

%T 95996101017600,11851370496000000,1735159154319360000,

%U 297357522512117760000,58977973614365245440000,13406496061357723484160000,3462774811766503833600000000

%N (n!*(3*n))^2.

%t Table[(n!(3n))^2, {n, 0, 15}]

%o (PARI) a(n)=(n!*(3*n))^2; \\ _Joerg Arndt_, Jun 29 2013

%K nonn

%O 0,2

%A Adam Gravit (Trojan313(AT)aol.com), Apr 07 2002

%E More terms from _Robert G. Wilson v_, Apr 08 2002