OFFSET
0,5
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..400
EXAMPLE
exp(arctanh(x)/exp(x)) = 1 + x - 1/2!*x^2 + 9/4!*x^4 - 20/5!*x^5 + 65/6!*x^6 ...
MATHEMATICA
With[{nn = 50}, CoefficientList[Series[Exp[ArcTanh[x]/Exp[x]], {x, 0, nn}], x] Range[0, nn]!] (* G. C. Greubel, Nov 20 2016 *)
PROG
(PARI) x='x + O('x^50); Vec(serlaplace(exp(atanh(x)/exp(x)))) \\ G. C. Greubel, Nov 20 2016
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved