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A012367 arcsin(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4+182/6!*x^6+4744/8!*x^8... 0
2, 4, 182, 4744, 529322, 48105484, 10255687262, 2093833598224, 726081240978002, 263899836304146964, 136202276398304865542, 76934684795610521975704, 55707277555172304209573882 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[ArcSin[Tan[x]Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {3, -1, 2}]] (* Harvey P. Dale, Dec 31 2014 *)
CROSSREFS
Sequence in context: A018611 A012369 A009609 * A165508 A018633 A307556
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved

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Last modified July 18 18:59 EDT 2024. Contains 374388 sequences. (Running on oeis4.)