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%I #4 Feb 24 2012 12:50:37
%S 1,1,5,13,-1303,-97351,-5539667,-182565627,23677748561,8153921374705,
%T 1571128609968341,190412412110488701,-16146953133290647751,
%U -22882305147029329939799
%N sec(sin(sinh(x)))=1+1/2!*x^2+5/4!*x^4+13/6!*x^6-1303/8!*x^8...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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