OFFSET
0,2
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..1000
FORMULA
Conjectures from Colin Barker, Jan 22 2018: (Start)
G.f.: (1 + 2*x + 4*x^2 + 4*x^3 + 3*x^4 + 2*x^5 - 2*x^8) / ((1 - x)^3*(1 + x + x^2)).
a(n) = 2*a(n-1) - a(n-2) + a(n-3) - 2*a(n-4) + a(n-5) for n>5.
(End)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 21 2018
EXTENSIONS
More terms from Rémy Sigrist, Jan 21 2018
STATUS
approved