login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A327216 a(n) = [(2n+3)r] - [(n+3)r] - [nr], where [ ] = floor and r = (1+sqrt(5))/2. 3

%I

%S 0,1,0,1,0,1,1,0,1,0,0,1,0,0,1,0,1,0,1,1,0,1,1,0,1,0,0,1,0,1,0,0,1,0,

%T 0,1,0,1,0,1,1,0,1,1,0,1,0,0,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,0,1,0,

%U 0,1,0,1,0,1,1,0,1,1,0,1,0,0,1,0,1,0

%N a(n) = [(2n+3)r] - [(n+3)r] - [nr], where [ ] = floor and r = (1+sqrt(5))/2.

%H Clark Kimberling, <a href="/A327216/b327216.txt">Table of n, a(n) for n = 0..10000</a>

%t r = (1+Sqrt[5])/2; z = 200;

%t t = Table[Floor[(2 n + 3) r] - Floor[(n*r + 3 r)] - Floor[n*r], {n, 0, z}] (* fixed by _Jianing Song_, Sep 30 2019 *)

%Y The positions of 0's and 1's in {a(n) : n > 0} are given by A327217 and A327218.

%K nonn,easy

%O 0

%A _Clark Kimberling_, Sep 02 2019

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 4 02:16 EST 2022. Contains 358544 sequences. (Running on oeis4.)