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A068561 Numerators of coefficients in (1+x)^(1/3)-(1-x)^(1/3) power series. 1
2, 10, 44, 748, 43010, 294814, 6349840, 141329296, 1074518324, 74933514700, 1768430946920, 14084538964600, 340000770605444, 74512476573454612, 609313847842042640, 15044155456074175376, 373539541721841740870 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

MATHEMATICA

Numerator/@Select[CoefficientList[Series[(1+x)^(1/3)-(1-x)^(1/3), {x, 0, 40}], x], #!=0&] (* Harvey P. Dale, Jun 30 2011 *)

CROSSREFS

Cf. A068562.

Sequence in context: A227852 A065805 A145239 * A068484 A192704 A005963

Adjacent sequences:  A068558 A068559 A068560 * A068562 A068563 A068564

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre, Mar 30 2002

STATUS

approved

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Last modified July 6 23:56 EDT 2020. Contains 335484 sequences. (Running on oeis4.)