OFFSET
0,2
LINKS
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
KEYWORD
nonn,easy
AUTHOR
Paul Curtz, Jan 10 2008
STATUS
approved