OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..300
EXAMPLE
x + 2/2!*x^2 + 1/3!*x^3 - 12/4!*x^4 - 67/5!*x^5 ...
MATHEMATICA
Range[0, 30]! CoefficientList[Series[ArcSinh[ArcSinh[x] Exp[x]], {x, 0, 30}], x] (* Vincenzo Librandi, Jul 20 2018 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0) inserted and title improved by Sean A. Irvine, Jul 20 2018
STATUS
approved