|
%I #19 Jan 23 2015 05:17:16
%S 0,1,-1,6,-16,80,-421,2800,-21736,194304,-1961521,22060544,-273408136,
%T 3701321728,-54335326501,859630860288,-14579917279216,263892101169152,
%U -5076781293615361,103444435675512832,-2225448965436594976
%N E.g.f: log(1+sinh(x))*cosh(x).
%H Vincenzo Librandi, <a href="/A009352/b009352.txt">Table of n, a(n) for n = 0..200</a>
%F a(n) ~ (n-1)! * (-1)^(n+1) * sqrt(2) / (log(1+sqrt(2)))^n. - _Vaclav Kotesovec_, Jan 23 2015
%t With[{nn=30},CoefficientList[Series[Log[1+Sinh[x]]Cosh[x],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Jun 04 2013 *)
%K sign,easy
%O 0,4
%A _R. H. Hardin_
%E Extended with signs by _Olivier Gérard_, Mar 15 1997
%E Definition clarified and Mathematica program replaced by _Harvey P. Dale_, Jun 04 2013
|
