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A244513 Legendre symbol (prime(n), prime(n+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

1

LINKS

Hamdi Murat Yildirim, Table of n, a(n) for n = 1..1000

PROG

(Sage) for i in range(1, 10000): .....print legendre_symbol(nth_prime(i), nth_prime(i+1)), ", ",

(PARI) a(n) = kronecker(prime(n), prime(n+1)); \\ Michel Marcus, Jun 29 2014

CROSSREFS

Sequence in context: A257075 A010555 A108784 * A020985 A034947 A097807

Adjacent sequences:  A244510 A244511 A244512 * A244514 A244515 A244516

KEYWORD

sign

AUTHOR

Hamdi Murat Yildirim, Jun 29 2014

STATUS

approved

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Last modified November 22 10:59 EST 2019. Contains 329389 sequences. (Running on oeis4.)