%I #11 Oct 26 2015 23:00:16
%S 1,2,4,5,9,9,15,16,21,23,33,29,41,45,51,52,68,65,83,81,91,99,121,109,
%T 128,138,152,152,180,168,198,199,217,231,253,234,270,286,308,298,338,
%U 326,368
%N After correction, duplicate of A111490.
%F a(n) = Sum_{i=1..n} A033879(i) = Sum_{i=1..n} (2*i - (sum of divisors of i)) = Sum_{i=1..n} (A005843(i)-A000203(i) = Sum_{i=1..n}(A005843(i) - Sum{i=1..n} A000203(i).
%K dead
%O 1,2