A012975 arcsin(arctan(x)+sin(x))=2*x+5/3!*x^3+193/5!*x^5+16319/7!*x^7...

2, 5, 193, 16319, 2867257, 812120619, 345585820669, 204800140817999, 161621142321132497, 163745409197491716115, 207199912831985170715941, 320237187283296947168085591, 593645895442500883916704175801

Offset

0,1

Links

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

Mathematica

With[{nn=30}, Take[CoefficientList[Series[ArcSin[ArcTan[x]+Sin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Jul 03 2024 *)

Crossrefs

Sequence in context: A319143 A100366 A339313 * A012954 A006271 A013105

Adjacent sequences: A012972 A012973 A012974 * A012976 A012977 A012978

Keyword

nonn

Author

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

Status

approved