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!)
 A065251 Simple quasi-periodic sequence consisting of the terms 1, 0 and -1. 5
 1, 1, 0, 1, 0, -1, 1, 1, 0, -1, 1, 0, -1, 1, 0, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS A. Karttunen, Conjecture regarding A065249 and A065251 FORMULA a(n) = 1-((n-2^[log_2(n)]) mod 3) MAPLE [seq(A065251(j), j=1..120)]; A065251 := n -> 1-((n-2^floor_log_2(n)) mod 3); MATHEMATICA Table[1-Mod[n-2^Floor[Log[2, n]], 3], {n, 110}] (* Harvey P. Dale, Dec 25 2017 *) CROSSREFS The same sequence modulo 3: A065252. Cf. A065249. Sequence in context: A285518 A093719 A153778 * A039982 A267349 A254651 Adjacent sequences:  A065248 A065249 A065250 * A065252 A065253 A065254 KEYWORD sign AUTHOR Antti Karttunen, Oct 25 2001 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 January 26 20:11 EST 2020. Contains 331288 sequences. (Running on oeis4.)