%I #4 Feb 24 2012 12:50:49
%S 2,-12,-50,12936,-885062,19509820,8446530118,-2256645131888,
%T 271169972750322,52894208663673604,-48060787092036123330,
%U 16320006114052519358744,-62047368403218100000854
%N tanh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+12936/8!*x^8...
%K sign
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)