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 A165573 Legendre symbol (n,257). 4
 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 August 20 00:52 EDT 2018. Contains 313902 sequences. (Running on oeis4.)