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!)
A013110 tanh(arcsinh(x)+arctan(x))=2*x-19/3!*x^3+785/5!*x^5-70705/7!*x^7... 0

%I #4 Feb 24 2012 12:51:19

%S 2,-19,785,-70705,11020385,-2631928825,892329853025,-407413940220625,

%T 240968321541442625,-179211927264110235625,163684517256281564050625,

%U -180116677926822557970570625,235018935742557547408645390625

%N tanh(arcsinh(x)+arctan(x))=2*x-19/3!*x^3+785/5!*x^5-70705/7!*x^7...

%K sign

%O 0,1

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

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 13 00:40 EDT 2024. Contains 375857 sequences. (Running on oeis4.)