A092777 a(n) = Sum_{k=1..n} round(log(prime(k))).

1, 2, 4, 6, 8, 11, 14, 17, 20, 23, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78, 83, 88, 93, 98, 103, 108, 113, 118, 123, 128, 133, 138, 143, 148, 153, 158, 163, 168, 173, 178, 183, 188, 193, 198, 203, 208, 213, 218, 223, 229, 235, 241, 247, 253, 259, 265

Offset: 1

Author

Jorge Coveiro, Apr 14 2004

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A215260.

Partial sums of A029836.

Programs

Mathematica

Accumulate[Round[Log[Prime[Range[60]]]]] (* Harvey P. Dale, Jul 08 2015 *)

PARI

A092777()={for(n=1, 100, summ=0; for(k=1,n, summ += round(log(prime(k)))); print1(summ, ", "));} \\ Bill McEachen, Sep 16 2015