%I #5 Feb 24 2012 12:50:52
%S 2,-248,766112,-13434220928,784153824645632,-115100516909469022208,
%T 35709161573583248175767552,-20800482387908029348756471513088
%N arctan(sinh(x)*sin(x))=2/2!*x^2-248/6!*x^6+766112/10!*x^10...
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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