login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A012258 Expansion of e.g.f.: exp(arctanh(arcsin(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5... 1

%I

%S 1,1,1,4,13,84,469,4152,32985,370128,3818601,51861888,658371429,

%T 10494283968,158197312701,2894815734912,50529852678321,

%U 1043916757274880,20707179214389201,476720372375608320

%N Expansion of e.g.f.: exp(arctanh(arcsin(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5...

%t With[{nn=20},CoefficientList[Series[Exp[ArcTanh[ArcSin[x]]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, May 29 2019 *)

%K nonn

%O 0,4

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

%E Definition clarified by _Harvey P. Dale_, May 29 2019

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 25 07:53 EDT 2019. Contains 324347 sequences. (Running on oeis4.)