%I #4 Feb 24 2012 12:50:53
%S 1,0,0,0,-12,60,-210,1260,-11088,78624,-476520,4469520,-59173752,
%T 609811488,-4917756480,63884751840,-1229990362368,16261478914944,
%U -136911418778304,2226347294914944,-65132012907161472
%N cos(arcsinh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-210/6!*x^6+1260/7!*x^7...
%K sign
%O 0,5
%A Patrick Demichel (patrick.demichel(AT)hp.com)