%I A012418
%S A012418 1,0,1,6,21,100,1005,9170,73353,794952,11042745,144625118,1936131549,
%T A012418 31475441452,562265168101,9960214270890,187956163443857,
%U A012418 3970728871687824,88040662078595313,1994667867977462454
%N A012418 sec(arctan(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5...
%Y A012418 Sequence in context: A151612 A012773 A012662 this_sequence A083558 A060843 
               A026650
%Y A012418 Adjacent sequences: A012415 A012416 A012417 this_sequence A012419 A012420 
               A012421
%K A012418 nonn
%O A012418 0,4
%A A012418 Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)