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Average value is 0, in the sense that lim (a(1)+a(2)+...+a(n))/n = 0. - Charles R Greathouse IV, Jan 24 2013
Table of n, a(n) for n=1..76.
Array[MoebiusMu, 77] // Differences (* Jean-François Alcover, Jan 24 2013 *)
(PARI) a(n)=moebius(n+1)-moebius(n) \\ Charles R Greathouse IV, Jan 24 2013
Sequence in context: A236532 A077763 A030218 * A118198 A059881 A096568
Adjacent sequences: A127437 A127438 A127439 * A127441 A127442 A127443
Gary W. Adamson, Jan 14 2007