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 A099990 a(n) = Moebius(2n+1). 4
 1, -1, -1, -1, 0, -1, -1, 1, -1, -1, 1, -1, 0, 0, -1, -1, 1, 1, -1, 1, -1, -1, 0, -1, 0, 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, 1, -1, 1, 0, -1, -1, 1, 1, 1, 0, -1, -1, 0, 1, -1, 1, 1, -1, -1, -1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, 0, -1, -1, -1, -1, -1, 1, 1, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS MATHEMATICA lst={}; Do[AppendTo[lst, MoebiusMu[n]], {n, 1, 6!, 2}]; lst (* Vladimir Joseph Stephan Orlovsky, Sep 20 2008 *) CROSSREFS Bisection of A008683. Cf. A099991. Sequence in context: A106470 A106465 A071027 * A089939 A059095 A187944 Adjacent sequences:  A099987 A099988 A099989 * A099991 A099992 A099993 KEYWORD sign,easy AUTHOR N. J. A. Sloane, Nov 20 2004 STATUS approved

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Last modified February 19 12:09 EST 2019. Contains 320310 sequences. (Running on oeis4.)