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A013085
sin(arcsinh(x)+arcsin(x))=2*x-8/3!*x^3+50/5!*x^5-1640/7!*x^7...
0
2, -8, 50, -1640, 58850, -6283400, 567708050, -126381905000, 21409252621250, -8140276707797000, 2222353037612971250, -1287992600187524465000, 516691580745576332281250, -424013763725285298417125000, 234843596248304648513001031250
OFFSET
0,1
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sin[ArcSinh[x]+ArcSin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 21 2015 *)
CROSSREFS
Sequence in context: A110083 A086922 A007128 * A352271 A352147 A351772
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from Harvey P. Dale, May 21 2015
STATUS
approved