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A135866
G.f. A(x) satisfies: A(x) = 1 + x*A(9x)^(1/3).
2
1, 1, 3, 72, 17055, 37191123, 731807102304, 129633035920625844, 206676152816612330273175, 2965575655806580962693168234624, 382974905786208201171725242242120141033
OFFSET
0,3
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
Sequence in context: A213986 A156908 A182517 * A307925 A006270 A248042
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 02 2007
STATUS
approved