%I A077950
%S A077950 1,1,1,1,3,5,3,3,13,19,13,13,51,77,51,51,205,307,205,205,819,1229,819,
               819,
%T A077950 3277,4915,3277,3277,13107,19661,13107,13107,52429,78643,52429,52429,209715,
%U A077950 314573,209715,209715,838861,1258291,838861,838861,3355443,5033165,3355443
%V A077950 1,1,1,-1,-3,-5,-3,3,13,19,13,-13,-51,-77,-51,51,205,307,205,-205,-819,
               -1229,-819,819,
%W A077950 3277,4915,3277,-3277,-13107,-19661,-13107,13107,52429,78643,52429,-52429,
               -209715,
%X A077950 -314573,-209715,209715,838861,1258291,838861,-838861,-3355443,-5033165,
               -3355443
%N A077950 Expansion of 1/(1-x+2*x^3).
%C A077950 Essentially the same as A077973.
%Y A077950 Sequence in context: A097519 A133773 A077934 this_sequence A077973 A010703 
               A107489
%Y A077950 Adjacent sequences: A077947 A077948 A077949 this_sequence A077951 A077952 
               A077953
%K A077950 sign
%O A077950 0,5
%A A077950 N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002, Jun 17 2007