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%I #4 Feb 24 2012 12:50:51
%S 1,-1,13,-325,14873,-1157705,123919013,-19431568013,3783114987057,
%T -997881588156817,307028543021467965,-122601833964174456533,
%U 54600351690827520350281,-30810847280896713474456025
%N sech(cos(x)*arcsin(x))=1-1/2!*x^2+13/4!*x^4-325/6!*x^6+14873/8!*x^8...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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