%I #9 Sep 04 2017 04:31:41
%S 6,24,180,1320,11130,103824,1067976,12014640,146845710,1938363240,
%T 27489515196,416924313624,6734931220290,115455963776160,
%U 2093601476474640,40040128237577184,805513168073611926
%N a(n) = A000166(n-1)*n*(n-1).
%F E.g.f.: x^3/((1-x)^2*e^x)
%p a:=n->sum(n!*sum((-1)^k/k!, j=0..n), k=0..n): seq(a(n)*n, n=2..17); # _Zerinvary Lajos_, Dec 18 2007
%Y Equals 6 * A000313(n+1).
%Y Cf. A000240
%K nonn,easy
%O 3,1
%A _Christian G. Bower_ from a sequence by _Erich Friedman_