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Numerators of coefficients in (1+x)^(1/3)-(1-x)^(1/3) power series.
1

%I #11 Feb 15 2014 01:02:09

%S 2,10,44,748,43010,294814,6349840,141329296,1074518324,74933514700,

%T 1768430946920,14084538964600,340000770605444,74512476573454612,

%U 609313847842042640,15044155456074175376,373539541721841740870

%N Numerators of coefficients in (1+x)^(1/3)-(1-x)^(1/3) power series.

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

%Y Cf. A068562.

%K easy,frac,nonn

%O 1,1

%A _Benoit Cloitre_, Mar 30 2002