OFFSET
0,3
LINKS
Ira M. Gessel, Rational Functions With Nonnegative Integer Coefficients, slides, 50th Séminaire Lotharingien de Combinatoire, 2003.
Index entries for linear recurrences with constant coefficients, signature (-1, 2, 3).
PROG
(PARI) Vec((1+x)/(1+x-2*x^2-3*x^3) + O(x^50)) \\ Michel Marcus, Aug 28 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 15 2014
STATUS
approved