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A012606
arctanh(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1356192/10!*x^10...
0
2, 328, 1356192, 31500831360, 2418220114014720, 464609611973533501440, 188067307050238642631516160, 142618740583722182161589570273280, 186051291917638041446935694923779932160, 391317863095797958317622752419738277068144640
OFFSET
0,1
MATHEMATICA
With[{nn=40}, Take[CoefficientList[Series[ArcTanh[ArcSinh[x]ArcSin[x]], {x, 0, nn}], x] Range[0, nn-2]!, {3, -1, 4}]] (* Harvey P. Dale, Jan 17 2015 *)
CROSSREFS
Sequence in context: A006475 A282430 A012601 * A012729 A173750 A088250
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from Harvey P. Dale, Jan 17 2015
STATUS
approved