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!)
A013003 arcsinh(arctan(x)+tan(x))=2*x-8/3!*x^3+328/5!*x^5-32608/7!*x^7... 0
2, -8, 328, -32608, 6483328, -2134642688, 1052574333952, -725748770065408, 666646160260988928, -786828198376481390592, 1160307802288187922251776, -2090565114493628148202864640 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A054943 A013135 A012999 * A009707 A013176 A220904

Adjacent sequences:  A013000 A013001 A013002 * A013004 A013005 A013006

KEYWORD

sign

AUTHOR

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

STATUS

approved

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 May 22 22:13 EDT 2022. Contains 353959 sequences. (Running on oeis4.)