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!)
A009654 Expansion of e.g.f.: tan(log(1+x)/exp(x)). 0

%I #12 Jan 07 2016 18:29:24

%S 0,1,-3,10,-60,535,-5545,65182,-880992,13534757,-231683143,4360580794,

%T -89533557212,1992568741579,-47774231187709,1227455840670542,

%U -33641659053337888,979722562830640169,-30211554791018748267

%N Expansion of e.g.f.: tan(log(1+x)/exp(x)).

%t With[{nn=20},CoefficientList[Series[Tan[Log[1+x]/Exp[x]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Jan 07 2016 *)

%K sign,easy

%O 0,3

%A _R. H. Hardin_

%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997

%E Definition clarified and prior Mathematica program replaced by _Harvey P. Dale_, Jan 07 2016

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 April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)