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A013311 arcsin(exp(x)-cos(x))=x+2/2!*x^2+2/3!*x^3+12/4!*x^4+80/5!*x^5... 0
1, 2, 2, 12, 80, 512, 4832, 53872, 654320, 9264032, 147228512, 2559080832, 48910122560, 1017566317952, 22822627908992, 550081215323392, 14178080204748800, 388900281882678272, 11314716065658294272 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

MATHEMATICA

With[{nn=30}, Rest[CoefficientList[Series[ArcSin[Exp[x]-Cos[x]], {x, 0, nn}], x] Range[0, nn]!]] (* Harvey P. Dale, Dec 21 2014 *)

CROSSREFS

Sequence in context: A180072 A013315 A032321 * A303343 A087220 A032320

Adjacent sequences:  A013308 A013309 A013310 * A013312 A013313 A013314

KEYWORD

nonn

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved

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Last modified January 27 21:45 EST 2022. Contains 350654 sequences. (Running on oeis4.)