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

0,3

Links

Table of n, a(n) for n=0..10.

Prog

(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)}

Crossrefs

Cf. A135863, A135864.

Sequence in context: A213986 A156908 A182517 * A307925 A006270 A248042

Adjacent sequences: A135863 A135864 A135865 * A135867 A135868 A135869

Keyword

nonn

Author

Paul D. Hanna, Dec 02 2007

Status

approved