The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A127440 First differences of A008683. 3
 -2, 0, 1, -1, 2, -2, 1, 0, 1, -2, 1, -1, 2, 0, -1, -1, 1, -1, 1, 1, 0, -2, 1, 0, 1, -1, 0, -1, 0, 0, 1, 1, 0, 0, -1, -1, 2, 0, -1, -1, 0, 0, 1, 0, 1, -2, 1, 0, 0, 1, -1, -1, 1, 1, -1, 1, 0, -2, 1, -1, 2, -1, 0, 1, -2, 0, 1, 1, -2, 0, 1, -1, 2, -1, 0, 1, -2, 0, 1, 0, 1, -2, 1, 1, 0, 0, -1, -1, 1, 1, -1, 1, 0, 0, -1, -1, 1, 0, 0, -1, 0, 0, 1, -1, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Average value is 0, in the sense that lim (a(1)+a(2)+...+a(n))/n = 0. - Charles R Greathouse IV, Jan 24 2013 LINKS Antti Karttunen, Table of n, a(n) for n = 1..20000 MATHEMATICA Array[MoebiusMu, 77] // Differences (* Jean-François Alcover, Jan 24 2013 *) PROG (PARI) a(n)=moebius(n+1)-moebius(n) \\ Charles R Greathouse IV, Jan 24 2013 CROSSREFS Cf. A008683. Sequence in context: A077763 A030218 A281388 * A118198 A290885 A059881 Adjacent sequences:  A127437 A127438 A127439 * A127441 A127442 A127443 KEYWORD sign AUTHOR Gary W. Adamson, Jan 14 2007 EXTENSIONS More terms from Antti Karttunen, Oct 07 2017 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 25 21:44 EDT 2021. Contains 346294 sequences. (Running on oeis4.)