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%I #2 Mar 30 2012 18:37:15
%S 1,2,7,38,283,2624,28408,344972,4580833,65410070,992850781,
%T 15888876224,266464473274,4661494891166,84761554257517,
%U 1597453996121132,31132664696108551,626239933178389916,12981131500452667888
%N G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^2.
%F Self-convolution of A145158.
%o (PARI) {a(n)=local(A=1+x+x*O(x^n));for(n=0,n,B=serreverse(x/A);A=1/(1-B)^2);polcoeff(A,n)}
%Y Cf. A145158.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Oct 03 2008
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