|
|
A013181
|
|
Expansion of e.g.f.: log(arctanh(x)+cos(x)) = x-2/2!*x^2+7/3!*x^3-28/4!*x^4+193/5!*x^5...
|
|
0
|
|
|
0, 1, -2, 7, -28, 193, -1400, 13319, -139424, 1721281, -23379712, 357281351, -5951323904, 108706678273, -2142923081728, 45591739883975, -1037606714249216, 25211971076762753, -650452080060399616
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
MATHEMATICA
|
With[{nn=20}, CoefficientList[Series[Log[ArcTanh[x]+Cos[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jan 12 2016 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
EXTENSIONS
|
Zero prepended and definition clarified by Harvey P. Dale, Jan 12 2016
|
|
STATUS
|
approved
|
|
|
|