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Expansion of cosh(tan(x)*sinh(x)).
0

%I #11 Aug 14 2020 14:39:33

%S 1,0,12,360,14672,947520,89973312,11518066560,1887213285632,

%T 383583690823680,94596308487109632,27811060234433710080,

%U 9605125245736932134912,3848453455438561596456960

%N Expansion of cosh(tan(x)*sinh(x)).

%t With[{nn=30},Take[CoefficientList[Series[Cosh[Tan[x]*Sinh[x]],{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Aug 14 2020 *)

%K nonn

%O 0,3

%A _R. H. Hardin_

%E Extended and signs tested Mar 15 1997 by _Olivier GĂ©rard_.

%E Previous Mathematica program replaced by _Harvey P. Dale_, Aug 14 2020