A134012 Period 5: repeat 1, 6, 11, 6, 1.

1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1

Offset

0,2

Links

Table of n, a(n) for n=0..54.

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1).

Formula

G.f. -(x^2+3*x+1)^2 / ( (x-1)*(1+x+x^2+x^3+x^4) ). - R. J. Mathar, Apr 02 2011

Mathematica

PadRight[{}, 100, {1, 6, 11, 6, 1}] (* Harvey P. Dale, Jul 05 2022 *)

Prog

(PARI) a(n)=11-5*abs(n%5-2) \\ Jaume Oliver Lafont, Aug 28 2009

Crossrefs

Sequence in context: A106540 A212208 A334280 * A103704 A135998 A242825

Adjacent sequences: A134009 A134010 A134011 * A134013 A134014 A134015

Keyword

nonn,easy

Author

Paul Curtz, Jan 10 2008

Status

approved