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A012606 arctanh(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1356192/10!*x^10... 0

%I

%S 2,328,1356192,31500831360,2418220114014720,464609611973533501440,

%T 188067307050238642631516160,142618740583722182161589570273280,

%U 186051291917638041446935694923779932160,391317863095797958317622752419738277068144640

%N arctanh(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1356192/10!*x^10...

%t 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 *)

%K nonn

%O 0,1

%A Patrick Demichel (patrick.demichel(AT)hp.com)

%E More terms from _Harvey P. Dale_, Jan 17 2015

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Last modified January 30 21:42 EST 2023. Contains 359947 sequences. (Running on oeis4.)