%I A012662
%S A012662 1,0,1,6,21,100,957,8498,70217,762696,9950809,128378910,1775380893,
%T A012662 28325140012,483428842197,8558590549322,163465935697169,
%U A012662 3367220579004048,72712394227734577,1648059951297530166
%N A012662 sec(tanh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5...
%Y A012662 Sequence in context: A093774 A151612 A012773 this_sequence A012418 A083558 
               A060843
%Y A012662 Adjacent sequences: A012659 A012660 A012661 this_sequence A012663 A012664 
               A012665
%K A012662 nonn
%O A012662 0,4
%A A012662 Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)