A013370 sin(sin(x)-sinh(x))=-2/3!*x^3-2/7!*x^7+2240/9!*x^9-2/11!*x^11...

-2, 0, -2, 2240, -2, 137280, -44844802, 10325120, -24831206402, 4636033573760, -13230894476802, 11727021909179200, -1532148866787968002, 24717753365658325440

Offset

0,1

Links

Harvey P. Dale, Table of n, a(n) for n = 0..294

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Sin[Sin[x]-Sinh[x]], {x, 0, nn}], x] Range[0, nn-1]!, {4, -1, 2}]] (* Harvey P. Dale, Jun 21 2025 *)

Crossrefs

Sequence in context: A346235 A281326 A012622 * A013374 A013371 A013372

Adjacent sequences: A013367 A013368 A013369 * A013371 A013372 A013373

Keyword

sign

Author

Patrick Demichel

Status

approved