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!)
A009184 Expansion of e.g.f.: cosh(x)/exp(sin(x)). 0
1, -1, 2, -3, 4, 3, -32, 105, -48, -1081, 5600, -5643, -85568, 547467, -533504, -12925983, 85827840, -21466225, -3149702656, 19155660141, 27282224128, -1094661097965, 5424499154944, 26420430767577, -496815684169728, 1642571602653527 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Cosh[x]/Exp[Sin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jun 11 2017 *)
CROSSREFS
Sequence in context: A295368 A283832 A102086 * A009716 A009590 A009492
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Definition clarified and previous Mathematica program replaced by Harvey P. Dale, Jun 11 2017
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 20 22:01 EDT 2024. Contains 373532 sequences. (Running on oeis4.)