%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)