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%I #4 Oct 12 2012 14:40:20
%S 1,140,27720,7847840,3049446400,1564366003200,1026108219136000,
%T 838477001922560000,835580445006827520000,997744946185930342400000,
%U 1406513375677181496524800000,2311431202054422682730496000000
%N Sixth column (m=7) of array A091752 ((-1,2)Stirling2) divided by -12.
%F a(n)= -A091752(n, 7)/12, n>=4.
%F a(n)= (3/(4*5!))*n*(n-3)*(3*(n-2))!/((3^(n-2))*(n-2)!) = 3*n*(n-3)* A052502(n-2)/(4*5!), n>=4.
%F G.f.: (x^4)*hypergeom([7/3, 8/3, 5, 2], [4], 9*x).
%K nonn,easy
%O 4,2
%A _Wolfdieter Lang_, Feb 27 2004
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