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A012332
cos(arcsin(x)*sin(x))=1-12/4!*x^4-560/8!*x^8-120960/10!*x^10...
0
1, 0, -12, 0, -560, -120960, -8243136, -1217216000, -240101205760, -60353491365888, -19412164057951232, -7711037038987132928, -3710008156348784881664, -2126287045304329433743360
OFFSET
0,3
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Cos[ArcSin[x]Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Jun 04 2021 *)
CROSSREFS
Sequence in context: A077351 A370018 A119530 * A012455 A120954 A265087
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved