OFFSET
0,2
COMMENTS
Decimal expansion of 13705/111111. - Klaus Brockhaus, May 17 2010
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,1).
FORMULA
a(n) = 3 - 2*cos(Pi*n/3)/3 - 2*sin(Pi*n/3)/sqrt(3) - cos(2*Pi*n/3) - sin(2*Pi*n/3)/sqrt(3) - (-1)^n/3. - R. J. Mathar, Oct 08 2011
From Wesley Ivan Hurt, Jun 20 2016: (Start)
G.f.: (1+2*x+3*x^2+3*x^3+4*x^4+5*x^5)/(1-x^6).
a(n) = a(n-6) for n>5. (End)
MAPLE
A131282:=n->[1, 2, 3, 3, 4, 5][(n mod 6)+1]: seq(A131282(n), n=0..100); # Wesley Ivan Hurt, Jun 20 2016
MATHEMATICA
PadLeft[{}, 18*6, {1, 2, 3, 3, 4, 5}] (* Harvey P. Dale, Sep 23 2011 *)
PROG
(PARI) a(n)=1+n%6-n%6\3 \\ Jaume Oliver Lafont, Aug 28 2009
(Magma) &cat [[1, 2, 3, 3, 4, 5]^^20]; // Wesley Ivan Hurt, Jun 20 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Paul Curtz, Oct 21 2007
STATUS
approved