A008994 - OEIS

A008994

Denominators of coefficients in expansion of cube root of sin(x).

1, 18, 3240, 1224720, 62985600, 87298041600, 857965152844800, 1575854362368000, 14540529421135872000, 20363866049006577377280000, 5760064968147574743859200000, 2384666896813095943957708800000

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OFFSET

0,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..197

MATHEMATICA

Denominator[CoefficientList[Series[(Sin[x]/x)^(1/3), {x, 0, 50}], x][[1 ;; -1 ;; 2]]] (* G. C. Greubel, Jul 21 2018 *)

CROSSREFS

Sequence in context: A318297 A001325 A263589 * A346209 A036214 A188799

Adjacent sequences: A008991 A008992 A008993 * A008995 A008996 A008997

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved