Search: id:A025531
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%I A025531
%S A025531 2,36,210,6750,8120,459620,2067170,20522250,22318758,2905171038,3098543448,
%T A025531 554652370272,584150230092,612299943684,2556925522866
%N A025531 a(n) = (2nd elementary symmetric function of {1/1, 1/2, ..., 1/n})*(LCM 
               of S)^2, where S = {1,2,...,n}.
%Y A025531 Sequence in context: A143745 A007757 A141217 this_sequence A099903 A074426 
               A082636
%Y A025531 Adjacent sequences: A025528 A025529 A025530 this_sequence A025532 A025533 
               A025534
%K A025531 nonn
%O A025531 1,1
%A A025531 Clark Kimberling (ck6(AT)evansville.edu)

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