A098535 Expansion of (1+x)^(1/3)/(1+x-9*x^4)^(1/3).

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

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 A357261

Adjacent sequences: A098532 A098533 A098534 * A098536 A098537 A098538

Keyword

easy,sign

Author

Paul Barry, Sep 13 2004

Status

approved