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A012409 E.g.f. sin(arctan(x)*exp(x)). 0

%I #16 May 17 2013 11:44:21

%S 0,1,2,0,-16,-60,-40,336,-2560,-20976,342688,4002944,-24866048,

%T -523996096,3812202368,103065059072,-777384271872,-26888473739008,

%U 196597142376960,8734488670474240,-63053651090673664

%N E.g.f. sin(arctan(x)*exp(x)).

%e sin(arctan(x)*exp(x)) = x + 2/2!*x^2 - 16/4!*x^4 - 60/5!*x^5 - 40/6!*x^6 + ...

%t With[{nn=30},CoefficientList[Series[Sin[ArcTan[x]Exp[x]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, May 17 2013 *)

%K sign

%O 0,3

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

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)