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%I #4 Feb 24 2012 12:50:53
%S 2,-4,230,-7880,680458,-77968460,12944005230,-2852439671952,
%T 810954585734418,-288565474593329044,125662055644822916342,
%U -65733137963856533872984,40670869816508001470654746
%N sinh(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+230/6!*x^6-7880/8!*x^8...
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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