A135866 G.f. A(x) satisfies: A(x) = 1 + x*A(9x)^(1/3).

1, 1, 3, 72, 17055, 37191123, 731807102304, 129633035920625844, 206676152816612330273175, 2965575655806580962693168234624, 382974905786208201171725242242120141033

Offset: 0

Author

Paul D. Hanna, Dec 02 2007

Keywords

• nonn

Crossrefs

Cf. A135863, A135864.

Programs

PARI

{a(n)=local(A=1+x+x*O(x^n));for(i=0,n,A=1+x*subst(A,x,9*x)^(1/3));polcoeff(A,n)}