A013227 - OEIS

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A013227

Expansion of e.g.f.: sinh(log(x+1)-arcsin(x))=-1/2!*x^2+1/3!*x^3-6/4!*x^4+15/5!*x^5...

0, 0, -1, 1, -6, 15, -135, 600, -6580, 42805, -546525, 4698450, -68473350, 732163575, -12012875875, 153571600000, -2805371985000, 41710773599625, -840435196901625, 14241298404498750, -313987574315496250

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,5

LINKS

Table of n, a(n) for n=0..20.

MATHEMATICA

With[{nn=30}, CoefficientList[Series[Sinh[Log[x+1]-ArcSin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Aug 15 2017 *)

CROSSREFS

Sequence in context: A087137 A056317 A129421 * A013223 A219289 A199224

Adjacent sequences: A013224 A013225 A013226 * A013228 A013229 A013230

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

Definition clarified and first two terms prepended by Harvey P. Dale, Aug 15 2017

STATUS

approved