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%I #12 Aug 28 2020 06:15:49
%S 1,3,9,10,40,41,83,84,114,115,181,182,2912,2913,2919,2920,3430,3431,
%T 4229,4230,4560,4561,4699,4700,7430,7431,7437,7438,8308,8309,22631,
%U 22632,23142,23143,23149,23150,1942340,1942341,1942347,1942348,1955878
%N Partial sums of A027642.
%F a(n) = Sum_{i=0..n} A027642(i).
%o (PARI) a(n) = sum(k=0, n, denominator(bernfrac(k))); \\ _Michel Marcus_, Aug 28 2020
%Y Cf. A027642.
%K nonn
%O 0,2
%A _Jonathan Vos Post_, Feb 13 2010
%E a(19) corrected by _Georg Fischer_, Aug 28 2020
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