A077010 Jacobi symbol(sigma(2n+1),2n+1).

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

Offset

0,1

Comments

Jacobi symbol(n,m) is defined only for (positive) odd numbers m.

Links

Table of n, a(n) for n=0..99.

Mathematica

Table[JacobiSymbol[DivisorSigma[1, 2 j + 1], 2 j + 1], {j, 0, 99}]

Crossrefs

Sequence in context: A129667 A071374 A071025 * A330548 A225817 A355823

Adjacent sequences: A077007 A077008 A077009 * A077011 A077012 A077013

Keyword

sign

Author

Joseph L. Pe, Nov 28 2002

Status

approved