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cosh(arctan(x)*arcsin(x))=1+12/4!*x^4-120/6!*x^6+11088/8!*x^8...
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%I #4 Feb 24 2012 12:50:50

%S 1,0,12,-120,11088,-559680,96647232,-11918734464,3443607499008,

%T -785681136728064,344346566147423232,-125647543062169835520,

%U 77921368897600000020480,-41570816325816575416320000

%N cosh(arctan(x)*arcsin(x))=1+12/4!*x^4-120/6!*x^6+11088/8!*x^8...

%K sign

%O 0,3

%A Patrick Demichel (patrick.demichel(AT)hp.com)