login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

a(n) = A045429(n) - A045356(n).
2

%I #19 Sep 02 2012 08:14:28

%S 1,6,6,6,12,12,6,6,2,4,-6,-6,4,-4,4,4,14,24,24,24,24,14,14,24,6,12,12,

%T 6,2,4,-24,-24,-26,-34,-18,-6,6,4,12,24,22,14,4,12,6,24,24,34,24,32,

%U 16,14,24,24,26,32,34,26,34,14,14,6,-18,-18,6,4,-6,-8,-14

%N a(n) = A045429(n) - A045356(n).

%H Zak Seidov, <a href="/A216057/b216057.txt">Table of n, a(n) for n = 1..1000</a>

%H Zak Seidov, <a href="/A216057/a216057_1.gif">Plot of terms up to a(1000) </a> (gif image)

%H A. Granville and G. Martin, <a href="http://www.arXiv.org/abs/math.NT/0408319">Prime number races</a>, arXiv:math/0408319v1 [math.NT]

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChebyshevBias.html">Chebyshev Bias</a>

%Y Cf. A007350, A007351, A038691, A038698, A045356, A045429, A156749.

%K sign

%O 1,2

%A _Zak Seidov_, Aug 31 2012