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!)
A012161 arcsin(tan(arcsinh(x)))=x+2/3!*x^3+24/5!*x^5+720/7!*x^7+48000/9!*x^9... 0
1, 2, 24, 720, 48000, 4896000, 804480000, 175037491200, 53010886656000, 19962353688576000, 9637819435745280000, 5576675932580413440000, 3929711821948633743360000, 3235566861687414718464000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A279309 A010050 A186246 * A009724 A177771 A009396

Adjacent sequences:  A012158 A012159 A012160 * A012162 A012163 A012164

KEYWORD

nonn

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 26 04:43 EDT 2022. Contains 354074 sequences. (Running on oeis4.)