OFFSET
1,3
COMMENTS
Partial sums of A084265. - N. J. A. Sloane, Jul 20 2008
LINKS
Index entries for linear recurrences with constant coefficients, signature (3,-2,-2,3,-1).
FORMULA
G.f.: -x^2*(-1+x^3-2*x^2) / ( (1+x)*(x-1)^4 ). - R. J. Mathar, Nov 26 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Oct 25 2001
STATUS
approved