A011595 Legendre symbol (n,61).

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, 0, 1, -1, 1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, -1, 1

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

Paolo Xausa, Table of n, a(n) for n = 0..10000

Mathematica

JacobiSymbol[Range[0, 100], 61] (* Paolo Xausa, Nov 09 2025 *)

Crossrefs

Sequence in context: A011592 A011593 A011594 * A011596 A011597 A070747

Adjacent sequences: A011592 A011593 A011594 * A011596 A011597 A011598

Keyword

sign,mult,easy

Author

N. J. A. Sloane

Status

approved