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Expansion of cosh(tan(sin(x))).
0

%I #15 Apr 01 2017 11:48:43

%S 1,1,5,13,-855,-38791,-747539,59637061,9421489105,573991066225,

%T -49290541346219,-20481513828195331,-2616109089676671623,

%U 259051585957836649961,218489079668015355338557,45857020942077467007882293,-6052305324824723639484616287

%N Expansion of cosh(tan(sin(x))).

%t With[{nn=40},Take[CoefficientList[Series[Cosh[Tan[Sin[x]]],{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Apr 22 2013 *)

%K sign

%O 0,3

%A _R. H. Hardin_

%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997

%E More terms from _Harvey P. Dale_, Apr 22 2013