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A165573 Legendre symbol (n,257). 4

%I #6 Mar 12 2017 12:10:45

%S 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,

%T -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,

%U -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

%N Legendre symbol (n,257).

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

%H A. Karttunen, <a href="/A165573/b165573.txt">Table of n, a(n) for n = 0..257</a>

%o (PARI) a(n) = kronecker(n, 257); \\ _Michel Marcus_, Mar 12 2017

%Y Partial sums: A165575.

%K sign,mult

%O 0,1

%A _Antti Karttunen_, Sep 22 2009

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Last modified August 29 12:15 EDT 2024. Contains 375517 sequences. (Running on oeis4.)