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!)
A009251 Expansion of exp(tan(x)*sinh(x)). 0

%I #11 Aug 01 2020 16:40:50

%S 1,2,24,622,27944,1905482,182347044,23219007502,3785452962224,

%T 767440357144082,189091470902634684,55586950224109363222,

%U 19201372121239603122824,7694882454025442035178522

%N Expansion of exp(tan(x)*sinh(x)).

%t With[{nn=30},Take[CoefficientList[Series[Exp[Tan[x]*Sinh[x]],{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Aug 01 2020 *)

%K nonn

%O 0,2

%A _R. H. Hardin_

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

%E Previous Mathematica program replaced by _Harvey P. Dale_, Aug 01 2020

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 September 1 06:23 EDT 2024. Contains 375575 sequences. (Running on oeis4.)