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A024302 Expansion of sin(sinh(x))*x/2. 0

%I #9 Sep 06 2019 11:19:13

%S 0,1,0,-24,-224,320,76032,2165632,23343104,-1474043904,-127160524800,

%T -5452094095360,-48051108446208,17669269569961984,2144050100688125952,

%U 144303119119098839040,2287457902532063395840

%N Expansion of sin(sinh(x))*x/2.

%t With[{nn=40},Take[CoefficientList[Series[Sin[Sinh[x]] x/2,{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Sep 06 2019 *)

%Y Cf. A009493.

%K sign

%O 0,4

%A _R. H. Hardin_

%E Extended with signs Mar 1997

%E Previous Mathematica program replaced by _Harvey P. Dale_, Sep 06 2019

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)