Search: id:A069205
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%I A069205
%S A069205 1,3,5,9,11,15,17,25,29,33,35,43,45,49,53,69,71,79,81,89,93,97,99,115,
%T A069205 119,123,131,139,141,149,151,183,187,191,195,211,213,217,221,237,239,
%U A069205 247,249,257,265,269,271,303,307,315,319,327,329,345,349,365,369,373
%N A069205 a(n)=sum(k=1,n,2^bigomega(k)).
%D A069205 G. Tenenbaum and Jie Wu, Cours Specialises No. 2: "Theorie analytique 
               et probabiliste des nombres", Collection SMF, Ordres moyens, p. 20.
%F A069205 Asymptotic formula : a(n)=1/8/ln(2)*C*n*ln(n)^2+O(nln(n)) with C=prod((1+1/
               p/(p-2)) where the product is over all the primes p>2.
%Y A069205 Sequence in context: A120696 A071156 A076610 this_sequence A064988 A166699 
               A052092
%Y A069205 Adjacent sequences: A069202 A069203 A069204 this_sequence A069206 A069207 
               A069208
%K A069205 easy,nonn
%O A069205 1,2
%A A069205 Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 14 2002

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