Search: id:A113215
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%I A113215
%S A113215 0,1,1,1,3,3,3,3,3,5,5,5,5,5,5,5,8,8,8,8,8,8,8,8,8,10,10,10,10,10,10,10,
%T A113215 10,10,10,10,14,14,14,14,14,14,14,14,14,14,14,14,14,16,16,16,16,16,16,
%U A113215 16,16,16,16,16,16,16,16,16,20,20,20,20,20,20,20,20,20,20,20,20,20,20
%N A113215 Repeat A006218(n) 2n+1 times.
%F A113215 a(n)=sum{k=0..n, floor(sqrt(n)/(k+1))}.
%Y A113215 Sequence in context: A147752 A114227 A112593 this_sequence A105591 A130497 
               A126715
%Y A113215 Adjacent sequences: A113212 A113213 A113214 this_sequence A113216 A113217 
               A113218
%K A113215 easy,nonn
%O A113215 0,5
%A A113215 Paul Barry (pbarry(AT)wit.ie), Oct 18 2005

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