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A011630 Legendre symbol (n,241). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers. 3rd ed., Oxford Univ. Press, 1954, p. 68.

LINKS

Table of n, a(n) for n=0..80.

PROG

(PARI) a(n)=kronecker(n, 241) \\ Charles R Greathouse IV, Oct 07 2011

CROSSREFS

Sequence in context: A011627 A011628 A011629 * A011631 A165591 A165471

Adjacent sequences:  A011627 A011628 A011629 * A011631 A011632 A011633

KEYWORD

sign,mult,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 23 17:09 EST 2022. Contains 350514 sequences. (Running on oeis4.)