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A013564
Expansion of e.g.f. arcsinh(log(x+1)/exp(x)).
1
1, -3, 7, -6, -117, 1385, -8297, -25956, 1648321, -27076303, 193866363, 3316610110, -155740823565, 3027137980477, -15561540714197, -1235594001526472, 54043406644859329, -1102221843621842235
OFFSET
1,2
LINKS
FORMULA
E.g.f.: arcsinh(log(x+1)/exp(x)).
EXAMPLE
x - 3/2!*x^2 + 7/3!*x^3 - 6/4!*x^4 - 117/5!*x^5 + ...
MATHEMATICA
CoefficientList[Series[ArcSin[Log[x + 1]/Exp[x]], {x, 0, 20}], x]*Range[0, 20]! (* G. C. Greubel, Nov 13 2016 *)
CROSSREFS
Sequence in context: A213931 A213401 A363146 * A009467 A258982 A227336
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com), Dec 11 1996
STATUS
approved