%I A003017
%S A003017 1,1,2,3,28,605,9366,116767,1310408,15812505,263924650,
%T A003017 6018875291,148630870092,3548481410773,82543469312318,2000101425252855,
%U A003017 54347539111582096,1678367049470539697,56020955060945897298
%N A003017 Expansion of 1/(1-x*exp(x)+x^2*exp(2*x)-x^3*exp(3*x)).
%Y A003017 Sequence in context: A001094 A052848 A126266 this_sequence A096580 A028868 
               A081332
%Y A003017 Adjacent sequences: A003014 A003015 A003016 this_sequence A003018 A003019 
               A003020
%K A003017 nonn
%O A003017 0,3
%A A003017 N. J. A. Sloane (njas(AT)research.att.com).