The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A013282 Expansion of e.g.f.: sin(log(x+1) - tanh(x)). 0
 0, 0, -1, 4, -6, 8, -105, 572, 700, -18800, 50715, -903388, 31286574, -466481992, 5285891611, -81297834980, 1566498967800, -27364241296480, 457841251437399, -8635414723705660, 179513823574755490, -3746483398412176664, 79423193110930596543, -1794737225880978532228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..23. EXAMPLE -(1/2!)*x^2 + (4/3!)*x^3 - (6/4!)*x^4 + (8/5!)*x^5 - ... MATHEMATICA With[{nn=30}, Drop[CoefficientList[Series[Sin[Log[x+1]-Tanh[x]], {x, 0, nn}], x]Range[0, nn]!, 2]] (* Harvey P. Dale, May 20 2012 *) CROSSREFS Sequence in context: A013285 A013289 A013288 * A013287 A013283 A013284 Adjacent sequences: A013279 A013280 A013281 * A013283 A013284 A013285 KEYWORD sign AUTHOR Patrick Demichel (patrick.demichel(AT)hp.com) EXTENSIONS Definition clarified by Harvey P. Dale, May 20 2012 a(0)=a(1)=0 inserted by Sean A. Irvine, Aug 03 2018 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 June 15 06:51 EDT 2024. Contains 373402 sequences. (Running on oeis4.)