|
%I #4 Feb 24 2012 12:50:37
%S 1,-1,13,-421,25817,-2565961,375964645,-76201822061,20411701862065,
%T -6981810963526801,2968895846823113405,-1536132530083569544501,
%U 950209903347072336087433,-692439473656550310042291161
%N sech(sin(arcsinh(x)))=1-1/2!*x^2+13/4!*x^4-421/6!*x^6+25817/8!*x^8...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)
|
