%I A077831
%S A077831 1,3,11,41,151,557,2055,7581,27967,103173,380615,1404125,5179951,19109333,
%T A077831 70496151,260067021,959412031,3539362437,13057045415,48168685181,177698871247,
%U A077831 655548074933,2418379337655,8921631905325,32912750541151,121418274109413
%N A077831 Expansion of 1/(1-3*x-2*x^2-2*x^3).
%Y A077831 Partial sums of S(n, x), for x=1...16, A021823, A000217, A027941, A061278, 
               A089817, A053142, A092521, A076765, A092420, A097784, A097826-A097828, 
               A076139, A097829, A097830.
%Y A077831 Sequence in context: A073622 A075276 A086972 this_sequence A032952 A001835 
               A079935
%Y A077831 Adjacent sequences: A077828 A077829 A077830 this_sequence A077832 A077833 
               A077834
%K A077831 nonn
%O A077831 0,2
%A A077831 N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002