OFFSET
0,5
LINKS
Index entries for linear recurrences with constant coefficients, signature (-3, -3, -2).
FORMULA
a(n)= -3a(n-1)-3a(n-2)-2a(n-3), n > 3.
G.f.: (4*x+7*x^2+9*x^3+1)/((2*x+1)*(1+x+x^2)). [R. J. Mathar, May 17 2009]
MATHEMATICA
LinearRecurrence[{-3, -3, -2}, {1, 1, 1, 1}, 40] (* Harvey P. Dale, Feb 04 2019 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Paul Curtz, Mar 30 2009
EXTENSIONS
Edited and extended by R. J. Mathar, May 17 2009
STATUS
approved