A077009 Jacobi symbol(phi(2n+1),2n+1).

1, -1, 1, -1, 0, -1, 1, 1, 1, -1, 0, -1, 0, 0, 1, -1, -1, -1, 1, 0, 1, -1, 0, -1, 0, -1, 1, 0, 0, -1, 1, 0, -1, -1, 1, -1, 1, 0, 1, -1, 0, -1, 1, 1, 1, -1, 0, 1, 1, 0, 1, -1, 0, -1, 1, 0, 1, 1, 0, 1, 0, -1, 0, -1, 0, -1, 1, 0, 1, -1, 1, -1, -1, 0, 1, -1, 0, 0, 1, 1, 1, -1, 0, -1, 0, 0, 1, 0, -1, -1, 1, 0, 1, 1, 0, -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[EulerPhi[2 j + 1], 2 j + 1], {j, 0, 99}]

Crossrefs

Sequence in context: A106467 A106468 A030317 * A078556 A144093 A143200

Adjacent sequences: A077006 A077007 A077008 * A077010 A077011 A077012

Keyword

sign

Author

Joseph L. Pe, Nov 28 2002

Status

approved