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exp(cos(x)-cosh(x))=1-2/2!*x^2+12/4!*x^4-122/6!*x^6+1792/8!*x^8...
1

%I #4 Feb 24 2012 12:51:30

%S 1,-2,12,-122,1792,-35282,889152,-27747722,1045556992,-46640267042,

%T 2424156352512,-144890071612442,9849171061952512,-754330752297972722,

%U 64566114865428283392

%N exp(cos(x)-cosh(x))=1-2/2!*x^2+12/4!*x^4-122/6!*x^6+1792/8!*x^8...

%K sign

%O 0,2

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