OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,2,1,-2).
MATHEMATICA
CoefficientList[Series[(1-x)^(-1)/(1+x-x^2-2x^3), {x, 0, 80}], x] (* Harvey P. Dale, Mar 20 2011 *)
PROG
(PARI) Vec((1-x)^(-1)/(1+x-x^2-2*x^3)+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012
CROSSREFS
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved