%I #4 Feb 24 2012 12:51:02
%S 1,0,1,6,25,140,1225,11410,110353,1260696,16597745,233501598,
%T 3534940649,58867014180,1060745261433,20315286728490,414362268698017,
%U 9016753267197744,207836963025430369,5046234392527982902
%N sec(arcsinh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5...
%K nonn
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)