A158925 Accumulated excess or deficit of prime powers in (1, A158924(n)].

0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 3, 3, 3, 4, 4, 3, 4, 4, 4, 5, 4, 5, 5, 5, 4, 4, 5, 6, 6, 5, 5, 7, 7, 8, 7, 7, 7, 7, 7, 8, 8, 8, 8, 7, 8, 9, 8, 7, 7, 6, 6, 7, 7, 7, 8, 7, 7, 8, 8, 9, 9, 10, 10, 10, 9, 9, 10, 10, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 11, 10, 11, 11, 11

Offset: 1

Author

Daniel Forgues, Mar 31 2009

Keywords

• sign

Comments

Partial sums of A158924.

First term < 0: a(9503) = -1. - Sidney Cadot, Sep 23 2015

Links

• Daniel Forgues, Table of n, a(n) for n=1..9696

Crossrefs

Cf. A158924, "Number of prime powers - 1 in interval (A158923(n-1), A158923(n)] expressing the excess or deficit relative to the asymptotic average of 1."

Extensions

Corrected and edited by Daniel Forgues, Apr 22 2009