%I A028814
%S A028814 1,5,20,78,307,1219,4862,19428,77685,310705,1242776,4971050,
%T A028814 19884135,79536463,318145762,1272582944,5090331657,20361326493,
%U A028814 81445305820,325781223110,1303124892251,5212499568795,20849998274950
%N A028814 Expansion of (1-2*x)/((1-x)^3*(1-4*x)).
%Y A028814 Sequence in context: A057552 A129869 A079737 this_sequence A079820 A117422 
               A154639
%Y A028814 Adjacent sequences: A028811 A028812 A028813 this_sequence A028815 A028816 
               A028817
%K A028814 nonn
%O A028814 0,2
%A A028814 N. J. A. Sloane (njas(AT)research.att.com).