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A098535 Expansion of (1+x)^(1/3)/(1+x-9*x^4)^(1/3). 2
1, 0, 0, 0, 3, -3, 3, -3, 21, -39, 57, -75, 219, -489, 885, -1407, 3000, -6609, 13179, -23655, 46353, -96960, 198534, -381504, 742638, -1504011, 3071973, -6096117, 12008415, -24042522, 48733248, -97896198, 195048966, -390235269 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

Binomial transform is A098536.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

MATHEMATICA

CoefficientList[Series[(1+x)^(1/3)/(1+x-9*x^4)^(1/3), {x, 0, 50}], x] (* G. C. Greubel, Jan 17 2018 *)

PROG

(PARI) x='x+O('x^30); Vec((1+x)^(1/3)/(1+x-9*x^4)^(1/3)) \\ G. C. Greubel, Jan 17 2018

(MAGMA) Q:=Rationals(); R<x>:=PowerSeriesRing(Q, 30); Coefficients(R!((1+x)^(1/3)/(1+x-9*x^4)^(1/3))); // G. C. Greubel, Jan 17 2018

CROSSREFS

Sequence in context: A095987 A278667 A232984 * A069239 A321080 A010265

Adjacent sequences:  A098532 A098533 A098534 * A098536 A098537 A098538

KEYWORD

easy,sign

AUTHOR

Paul Barry, Sep 13 2004

STATUS

approved

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Last modified February 23 21:20 EST 2020. Contains 332195 sequences. (Running on oeis4.)