OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (18,1).
FORMULA
From Philippe Deléham, Nov 21 2008: (Start)
a(n) = 18*a(n-1) + a(n-2), n > 1; a(0)=9, a(1)=163.
G.f.: (9+x)/(1-18*x-x^2). (End)
MATHEMATICA
CoefficientList[Series[(9 + x)/(1 - 18 x - x^2), {x, 0, 30}], x] (* Vincenzo Librandi, Oct 29 2013 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 05 2013
STATUS
approved