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A165573 Legendre symbol (n,257). 3
0, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

257 is the 3rd Fermat prime, A019434(3).

LINKS

A. Karttunen, Table of n, a(n) for n = 0..257

PROG

(PARI) a(n) = kronecker(n, 257); \\ Michel Marcus, Mar 12 2017

CROSSREFS

Partial sums: A165575.

Sequence in context: A165591 A165471 A165481 * A057428 A165574 A165581

Adjacent sequences:  A165570 A165571 A165572 * A165574 A165575 A165576

KEYWORD

sign,mult

AUTHOR

Antti Karttunen, Sep 22 2009

STATUS

approved

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Last modified February 21 22:56 EST 2018. Contains 299427 sequences. (Running on oeis4.)