A013036 arctan(sinh(x)+arcsin(x))=2*x-14/3!*x^3+618/5!*x^5-67854/7!*x^7...

2, -14, 618, -67854, 13932498, -4595539054, 2223446144762, -1483204666755694, 1304724424132456098, -1463341903654250570574, 2038145686298940181364106, -3451301962890841287168044878

Offset

0,1

Links

Table of n, a(n) for n=0..11.

Mathematica

With[{nn=30}, Take[CoefficientList[Series[ArcTan[Sinh[x]+ArcSin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 02 2014 *)

Crossrefs

Sequence in context: A342181 A294353 A156172 * A075044 A211891 A060599

Adjacent sequences: A013033 A013034 A013035 * A013037 A013038 A013039

Keyword

sign

Author

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

Status

approved