Search: id:A048772
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%I A048772
%S A048772 1,10,29,76,189,462,1121,2712,6553,15826,38213,92260,222741,537750,
%T A048772 1298249,3134256,7566769,18267802,44102381,106472572,257047533,
%U A048772 620567646,1498182833
%N A048772 Partial sums of A048696.
%F A048772 a(n)=2*a(n-1)+a(n-2)+8; a(0)=1, a(1)=10.
%e A048772 a(n)=[ {(9+5*sqrt(2))(1+sqrt(2))^n - (9-5*sqrt(2))(1-sqrt(2))^n}/2*sqrt(2) 
               ]-4
%Y A048772 Cf. A001333, A000129, A048694, A048695, A)48696.
%Y A048772 Sequence in context: A068197 A079273 A048469 this_sequence A055850 A027979 
               A057456
%Y A048772 Adjacent sequences: A048769 A048770 A048771 this_sequence A048773 A048774 
               A048775
%K A048772 easy,nice,nonn
%O A048772 0,2
%A A048772 Barry E. Williams

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