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!)
A012106 tanh(arcsin(sinh(x)))=x-4/5!*x^5+80/7!*x^7+5456/9!*x^9+511360/11!*x^11... 0
1, 0, -4, 80, 5456, 511360, 83316416, 18755459840, 5535063173376, 2088819464171520, 981883326234254336, 562564553455472742400, 385997167840660261687296, 312523332440480815021588480 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

CROSSREFS

Sequence in context: A013180 A322751 A000316 * A156103 A204294 A203480

Adjacent sequences:  A012103 A012104 A012105 * A012107 A012108 A012109

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 September 25 07:19 EDT 2022. Contains 356959 sequences. (Running on oeis4.)