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A145160 G.f. A(x) satisfies A(x/A(x)^3) = 1/(1-x). 5
1, 1, 4, 31, 347, 4860, 79174, 1440837, 28584939, 608533714, 13751688892, 327333165775, 8160149459870, 212121519165566, 5730205766494409, 160425928432680795, 4644491031188023566, 138792548776938444503 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..17.

FORMULA

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

Self-convolution cube yields A145161.

PROG

(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(n=0, n, B=serreverse(x/A^3); A=1/(1-B)); polcoeff(A, n)}

CROSSREFS

Cf. A145161 (A^3); A088713, A145158, A145162, A145165, A145167.

Sequence in context: A141005 A122400 A107725 * A129271 A136728 A321031

Adjacent sequences:  A145157 A145158 A145159 * A145161 A145162 A145163

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 03 2008

STATUS

approved

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Last modified May 17 09:03 EDT 2021. Contains 343969 sequences. (Running on oeis4.)