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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A131015 Period 12: repeat 1, 1, 3, 2, 2, 1, 4, 4, 2, 3, 3, 4. 0

%I #12 Dec 12 2023 09:34:04

%S 1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,

%T 3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,

%U 2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2

%N Period 12: repeat 1, 1, 3, 2, 2, 1, 4, 4, 2, 3, 3, 4.

%C Also the decimal expansion of 1018994/9000009. [From _R. J. Mathar_, Feb 07 2009]

%H <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

%F G.f.: (1+2x^2-x^3-x^5+4x^6)/((1-x)(1+x^2)(1-x^2+x^4)). a(n)=a(n-1)-a(n-6)+a(n-7). [From _R. J. Mathar_, Feb 07 2009]

%t PadRight[{},120,{1,1,3,2,2,1,4,4,2,3,3,4}] (* _Harvey P. Dale_, Jan 12 2016 *)

%K nonn,easy

%O 0,3

%A _Paul Curtz_, Sep 22 2007

%E More periods from _R. J. Mathar_, Feb 07 2009

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 March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)