|
%I #4 Feb 24 2012 12:50:53
%S 1,0,-12,120,1680,-4800,-20091456,2552065152,-264925689600,
%T 68708953577472,-29508519541947392,12189637912025356288,
%U -5505843502429896863744,3137663619884947867484160
%N sech(sinh(x)*arctan(x))=1-12/4!*x^4+120/6!*x^6+1680/8!*x^8...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)
|
