OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..100
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Tanh[ArcTan[x]+Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 11 2014 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Zero prepended and definition clarified by Harvey P. Dale, Mar 11 2014
STATUS
approved