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!)
A009609 sinh(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4+182/6!*x^6+4744/8!*x^8... 2

%I #12 May 18 2015 16:51:09

%S 0,2,4,182,4744,287402,21494284,2264343902,304602955024,

%T 51600721945682,10697629642233364,2665265431805294342,

%U 785147451273373098904,269855118987322780537082,106983136938538203343804444,48443492657600381889310646702

%N sinh(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4+182/6!*x^6+4744/8!*x^8...

%t With[{nn=40},Take[CoefficientList[Series[Sinh[Tan[x]*Sin[x]],{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, May 18 2015 *)

%K nonn

%O 0,2

%A _R. H. Hardin_

%E Extended and signs tested Mar 15 1997 by _Olivier GĂ©rard_.

%E More terms from and prior Mathematica program replaced by _Harvey P. Dale_, May 18 2015

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 July 15 22:54 EDT 2024. Contains 374334 sequences. (Running on oeis4.)