A013039 tanh(sinh(x)+arcsin(x))=2*x-14/3!*x^3+362/5!*x^5-19470/7!*x^7...

2, -14, 362, -19470, 1792466, -252044910, 50269392890, -13495379849070, 4692910238941858, -2051818155560912718, 1101718930208711475338, -712681651399390391191118, 546672148692020916583481458

Offset

0,1

Links

Table of n, a(n) for n=0..12.

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Tanh[Sinh[x]+ArcSin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 23 2026 *)

Crossrefs

Sequence in context: A101524 A346210 A255493 * A385861 A011809 A228852

Adjacent sequences: A013036 A013037 A013038 * A013040 A013041 A013042

Keyword

sign

Author

Patrick Demichel

Status

approved