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.

11, 59, 83, 103, 131, 251, 419, 563, 607, 659, 971, 1063, 1091, 1103, 1427, 1447, 1811, 1931, 1979, 2287, 2383, 2411, 2543, 2939, 3251, 3299, 3659, 3779, 3967, 4091, 4259, 4931, 5099, 5171, 5407, 5783, 5939, 6247, 6299, 6607, 6779, 6899

Offset

1,1

Comments

Setwise difference of A095102 and A165580.

Links

Table of n, a(n) for n=1..42.

Crossrefs

Subset of A165608.

Sequence in context: A257364 A141302 A139872 * A214151 A273618 A168539

Adjacent sequences: A165974 A165975 A165976 * A165978 A165979 A165980

Keyword

nonn

Author

Antti Karttunen, Oct 06 2009

Extensions

Definition edited by Jonathan Sondow, Sep 26 2011

Status

approved