The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A012117 arcsinh(arcsin(arcsinh(x)))=x-1/3!*x^3+17/5!*x^5-449/7!*x^7+30113/9!*x^9... 0
 1, -1, 17, -449, 30113, -2761793, 415351089, -81370683393, 21955730621249, -7408485122203009, 3161408870916725841, -1630838373598845388097, 1013685573603673847917793, -741353146138643571687256001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..13. MATHEMATICA With[{nn=30}, Take[CoefficientList[Series[ArcSinh[ArcSin[ArcSinh[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Aug 07 2017 *) CROSSREFS Sequence in context: A158063 A301642 A035022 * A271438 A122430 A009051 Adjacent sequences: A012114 A012115 A012116 * A012118 A012119 A012120 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.

Last modified December 8 13:24 EST 2023. Contains 367679 sequences. (Running on oeis4.)