OFFSET
1,5
MATHEMATICA
With[{nn=20}, CoefficientList[Series[ArcSin[Sech[x]Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 20 2020 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Zero prepended & definition clarified by Harvey P. Dale, Jul 20 2020
STATUS
approved