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 A077010 Jacobi symbol(sigma(2n+1),2n+1). 0
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Jacobi symbol(n,m) is defined only for (positive) odd numbers m. LINKS MATHEMATICA Table[JacobiSymbol[DivisorSigma[1, 2 j + 1], 2 j + 1], {j, 0, 99}] CROSSREFS Sequence in context: A129667 A071374 A071025 * A225817 A248863 A267256 Adjacent sequences:  A077007 A077008 A077009 * A077011 A077012 A077013 KEYWORD sign AUTHOR Joseph L. Pe, Nov 28 2002 STATUS approved

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Last modified September 17 10:52 EDT 2019. Contains 327129 sequences. (Running on oeis4.)