%I #7 Mar 31 2012 13:19:58
%S 1,7,43,250,1420,7990,44800,250900,1404700,7864000,44026000,246481000,
%T 1379950000,7725850000,43254430000,242167300000,1355815600000,
%U 7590769900000,42498250000000,237933871000000,1332114307000000
%N Row sums of convolution triangle A030524.
%H W. Lang, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">On generalizations of Stirling number triangles</a>, J. Integer Seqs., Vol. 3 (2000), #00.2.4.
%F G.f.: x*(1-3*x+3*x^2)/(1-10*x+30*x^2-30*x^3)= g1(4, x)/(1-g1(4, x)), g1(4, x) := x*(1-3*x+3*x^2)/(1-3*x)^3 (G.f. first column of A030524).
%K easy,nonn
%O 1,2
%A _Wolfdieter Lang_