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G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x)^2.
3

%I #4 Aug 10 2014 06:45:21

%S 1,2,11,112,1641,30140,645173,15451056,403860149,11337503566,

%T 338096504646,10626420868004,349970070311727,12024016865644052,

%U 429479863355216596,15904295505436515676,609244677411755423589

%N G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x)^2.

%H Vaclav Kotesovec, <a href="/A145163/b145163.txt">Table of n, a(n) for n = 0..260</a>

%F Self-convolution square of A145162.

%F Self-convolution square yields A145164.

%o (PARI) {a(n)=local(A=1+x+x*O(x^n),B);for(n=0,n,B=serreverse(x/A^2);A=1/(1-B)^2);polcoeff(A,n)}

%Y Cf. A145162, A145164 (A^2).

%K nonn

%O 0,2

%A _Paul D. Hanna_, Oct 03 2008