%I #4 Feb 24 2012 12:51:28
%S 3,23,721,47879,4585141,647541971,125142649633,31683946165871,
%T 10177278274781101,4042622917874613323,1945427918214115672569,
%U 1115191589596355708429607,750796364377542533286862341
%N sinh(sin(x)-arctanh(x))=-3/3!*x^3-23/5!*x^5-721/7!*x^7-47879/9!*x^9...
%K nonn
%O 0,1
%A Patrick Demichel (patrick.demichel(AT)hp.com)