OFFSET
0,1
COMMENTS
Agrees with A019477 only for n <= 23.
REFERENCES
R. K. Guy, personal communication.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..500
Index entries for linear recurrences with constant coefficients, signature (5,1,-3).
FORMULA
O.g.f.: (3 - 2*x^2)/(1 - 5*x - x^2 + 3*x^3). - R. J. Mathar, May 09 2008
MATHEMATICA
CoefficientList[Series[(3 - 2 x^2)/(1 - 5 x - x^2 + 3 x^3), {x, 0, 20}], x] (* Wesley Ivan Hurt, Jan 21 2017 *)
PROG
(PARI) Vec((3-2*x^2)/(1-5*x-x^2+3*x^3) + O(x^24)); \\ Michel Marcus, Jan 21 2017
(Magma) m:=25; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(3-2*x^2)/(1-5*x-x^2+3*x^3)); // Vincenzo Librandi, Jan 23 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Michel Marcus, Jan 21 2017
STATUS
approved