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A012422
arcsin(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+310/6!*x^6-17304/8!*x^8...
0
2, -12, 310, -17304, 1700458, -258909860, 56652535966, -16866155567408, 6564236008307922, -3237559423419911996, 1974150395798812732422, -1458519974560491245318344, 1283942399735883713487058746
OFFSET
0,1
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[ArcSin[ArcTan[x]Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {3, -1, 2}]] (* Harvey P. Dale, Feb 26 2022 *)
CROSSREFS
Sequence in context: A012380 A012377 A012425 * A122767 A260321 A094047
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved