Search: id:A052208
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%I A052208
%S A052208 0,1,12,175,2448,34481,485100,6826079,96049728,1351523425,19017374892,
%T A052208 267594778639,3765344259600,52982414452241,745519146496332,10490250465629375,
%U A052208 147609025664755968,2077016609773544641,29225841562491165900,411238798484657629039
%N A052208 Pell(n)*Pell(2*n)/2.
%F A052208 G.f.: (x^3+x)/[(1+2x-x^2)(1-14x-x^2)].
%Y A052208 Cf. A000129.
%Y A052208 Sequence in context: A099270 A120662 A099930 this_sequence A045952 A130550 
               A073975
%Y A052208 Adjacent sequences: A052205 A052206 A052207 this_sequence A052209 A052210 
               A052211
%K A052208 nonn
%O A052208 0,3
%A A052208 Gary W. Adamson, Feb 01 2000

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