OFFSET
4,1
LINKS
R. H. Hardin, Table of n, a(n) for n=4..500
Index entries for linear recurrences with constant coefficients, signature (2,-1,2,-3,0,1).
FORMULA
G.f.: -x^4*(13-6*x+3*x^2-22*x^3+5*x^4+8*x^5) / ( (x^4+2*x^3-1)*(x-1)^2 ). - R. J. Mathar, Jan 19 2011
a(n) = 2*a(n-1)-a(n-2)+2*a(n-3)-3*a(n-4)+a(n-6). - Wesley Ivan Hurt, Apr 23 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 14 2009
STATUS
approved