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!)
 A013062 sinh(sinh(x)+arctan(x))=2*x+7/3!*x^3+17/5!*x^5+1089/7!*x^7... 0
 2, 7, 17, 1089, -36439, 4128909, -543199915, 101851512369, -24809162213327, 7679423522214741, -2941007926918920787, 1365818062351654896985, -756306211537089880852727, 492352824778983285953918013 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..13. MATHEMATICA With[{nn=30}, Take[CoefficientList[Series[Sinh[Sinh[x]+ArcTan[x]], {x, 0, nn}], x]Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 09 2012 *) CROSSREFS Sequence in context: A160617 A279334 A283957 * A013092 A174311 A220396 Adjacent sequences: A013059 A013060 A013061 * A013063 A013064 A013065 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 9 02:18 EST 2023. Contains 367681 sequences. (Running on oeis4.)