cp's OEIS Frontend

A132334 G.f.: A(x) = A_1 where A_1 = 1/[1 - x*(A_2)^3], A_2 = 1/[1 - x^2*(A_3)^3], A_3 = 1/[1 - x^3*(A_4)^3], ... A_n = 1/[1 - x^n*(A_{n+1})^3] for n>=1.

%I A132334 #2 Mar 30 2012 18:37:04
%S A132334 1,1,1,4,7,16,43,89,216,502,1154,2715,6268,14583,33936,78787,183141,
%T A132334 425547,988765,2297533,5338321,12403697,28819646,66962219,155583912,
%U A132334 361492693,839915741,1951499287,4534218339,10535031491,24477592379
%N A132334 G.f.: A(x) = A_1 where A_1 = 1/[1 - x*(A_2)^3], A_2 = 1/[1 - x^2*(A_3)^3], A_3 = 1/[1 - x^3*(A_4)^3], ... A_n = 1/[1 - x^n*(A_{n+1})^3] for n>=1.
%C A132334 Self-convolution cube is A132335.
%o A132334 (PARI) {a(n)=local(A=1+x*O(x^n)); for(j=0, n-1, A=1/(1-x^(n-j)*A^3 +x*O(x^n))); polcoeff(A, n)}
%Y A132334 Cf. A132335; A132332 (variant).
%K A132334 nonn
%O A132334 0,4
%A A132334 _Paul D. Hanna_, Aug 20 2007