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A059246 Numerator of Sum_{j=1..n} d(j)/n, where d = number of divisors function (A000005). 0

%I

%S 1,3,5,2,2,7,16,5,23,27,29,35,37,41,3,25,52,29,60,33,10,37,76,7,87,7,

%T 95,101,103,37,113,119,41,127,131,35,142,73,50,79,160,4,170,4,182,93,

%U 4,33,201,207,211,217,219,227,21,239,81,247,249,87,263

%N Numerator of Sum_{j=1..n} d(j)/n, where d = number of divisors function (A000005).

%D M. Aigner and G. M. Ziegler, Proofs from The Book, Springer-Verlag, Berlin, 1999; see p. 135.

%e 1, 3/2, 5/3, 2, 2, 7/3, 16/7, 5/2, 23/9, 27/10, ...

%Y Cf. A059247.

%K nonn,frac

%O 1,2

%A _N. J. A. Sloane_, Jan 21 2001

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Last modified May 26 04:23 EDT 2013. Contains 225653 sequences.