login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A012710 Expansion of e.g.f. sin(arctanh(x) * exp(x)). 0
0, 1, 2, 4, 0, -60, -680, -5504, -45696, -356080, -2998112, -23985216, -210124288, -1616818112, -13420660864, -52229820928, 283969097728, 28575615328512, 648822348255744, 17074162547880960, 350789663754797056 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

EXAMPLE

x + 2/2!*x^2 + 4/3!*x^3 - 60/5!*x^5 - 680/6!*x^6 ...

MATHEMATICA

With[{nn=20}, CoefficientList[Series[Sin[ArcTanh[x]Exp[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jun 07 2019 *)

CROSSREFS

Sequence in context: A012716 A173220 A012362 * A333367 A287761 A009512

Adjacent sequences:  A012707 A012708 A012709 * A012711 A012712 A012713

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

a(0) inserted and title improved by Sean A. Irvine, Jul 24 2018

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 25 12:55 EDT 2022. Contains 354851 sequences. (Running on oeis4.)