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%I #4 Feb 24 2012 12:51:09
%S 1,2,40,576,46208,1293184,309637120,5786437632,7315622592512,
%T -347058934743040,483735262691819520,-91992936989187702784,
%U 74923051609806418739200,-28841683494637052911157248
%N sinh(sec(x)*arctan(x))=x+2/3!*x^3+40/5!*x^5+576/7!*x^7+46208/9!*x^9...
%K sign
%O 0,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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