OFFSET
0,2
LINKS
FORMULA
G.f.: (1-x)/(1-3*x+x^2-x^3).
PROG
(PARI) my(x='x+O('x^40)); Vec((1-x)/(1-3*x+x^2-x^3)) \\ Michel Marcus, Apr 10 2024
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Philippe Deléham, Dec 14 2011
STATUS
approved