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A013305 Numerators of coefficients in Taylor series expansion of arccosh(exp(x)-sin(x)). 1

%I #16 May 01 2013 21:16:00

%S 0,1,1,-1,-1,-5,503,521,-13,-827,-1812469,44303839,9150959,17949817,

%T -17645163013,-256103154817,128934425819,869866425977,

%U 7718787745279031,-657691477236554437,-23770118746323659,9983376979312685189,15480320293784856319969,240884767523727873137,-3694316464734123751573,-12325434071961822974423

%N Numerators of coefficients in Taylor series expansion of arccosh(exp(x)-sin(x)).

%e x+1/3*x^2-1/18*x^3-1/27*x^4-5/648*x^5+503/68040*x^6+521/136080*x^7-13/51030*x^8...

%t Numerator[CoefficientList[Series[ArcCosh[Exp[x]-Sin[x]],{x,0,30}][[2]],x]] (* _Harvey P. Dale_, Aug 15 2012 *)

%Y Cf. A202359.

%K sign,frac

%O 0,6

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

%E Corrected by _N. J. A. Sloane_, Dec 17 2011, based on discussions on the Sequence Fans Mailing List, Dec 13-17 2011.

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)