A158925 - OEIS

%I #13 Feb 23 2016 13:18:23

%S 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,

%T 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,

%U 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

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

%C Partial sums of A158924.

%C First term < 0: a(9503) = -1. - _Sidney Cadot_, Sep 23 2015

%H Daniel Forgues, <a href="/A158925/b158925.txt">Table of n, a(n) for n=1..9696</a>

%Y 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."

%K sign

%O 1,10

%A _Daniel Forgues_, Mar 31 2009

%E Corrected and edited by _Daniel Forgues_, Apr 22 2009