A165977 - cp's OEIS frontend

A165977 Primes of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) is never negative for any u in range [1,2n+1], but obtains at least one value zero, where J(i,m) is the Jacobi symbol.

%I A165977 #6 Mar 31 2012 13:21:19
%S A165977 11,59,83,103,131,251,419,563,607,659,971,1063,1091,1103,1427,1447,
%T A165977 1811,1931,1979,2287,2383,2411,2543,2939,3251,3299,3659,3779,3967,
%U A165977 4091,4259,4931,5099,5171,5407,5783,5939,6247,6299,6607,6779,6899
%N A165977 Primes of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) is never negative for any u in range [1,2n+1], but obtains at least one value zero, where J(i,m) is the Jacobi symbol.
%C A165977 Setwise difference of A095102 and A165580.
%Y A165977 Subset of A165608.
%K A165977 nonn
%O A165977 1,1
%A A165977 _Antti Karttunen_, Oct 06 2009
%E A165977 Definition edited by _Jonathan Sondow_, Sep 26 2011

cp's OEIS Frontend

A165977 Primes of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) is never negative for any u in range [1,2n+1], but obtains at least one value zero, where J(i,m) is the Jacobi symbol.