OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (9,0,0,1,-9).
FORMULA
G.f.: ( x*(2+3*x+x^3) ) / ( (x-1)*(9*x-1)*(1+x)*(1+x^2) ). - R. J. Mathar, Oct 15 2015
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved