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,-2,0,-1)
FORMULA
G.f.: -x^4*(-13+6*x-4*x^2+20*x^3+5*x^4+8*x^5) / ( (x^3+x-1)^2 ). - R. J. Mathar, Jan 19 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. H. Hardin, Aug 14 2009
STATUS
approved