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cosh(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...
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%I #4 Feb 24 2012 12:51:19

%S 1,0,4,-6,19,-140,814,-5082,43509,-400248,3812904,-42180270,520553895,

%T -6701464068,92507196786,-1398195467970,22513722221865,

%U -380979724310896,6839735642061708,-130277805146941014

%N cosh(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...

%K sign

%O 0,3

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