%I #5 Dec 22 2011 15:07:10
%S 1,2,0,-12,-60,32,3360,26768,-70560,-4368928,-44014080,286606848,
%T 15535016640,175871587712,-2270496184320,-116296341590272,
%U -1366735787784960,31677729930493952,1572363556732784640
%N arcsinh(exp(x)-cos(x))=x+2/2!*x^2-12/4!*x^4-60/5!*x^5+32/6!*x^6...
%K sign
%O 1,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)