OFFSET
0,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (6,9).
FORMULA
G.f.: x/(1 - 6*x - 9*x^2). - R. J. Mathar, Nov 20 2011
MATHEMATICA
LinearRecurrence[{6, 9}, {0, 1}, 50]
PROG
(PARI) x='x+O('x^30); concat([0], Vec(x/(1 - 6*x - 9*x^2))) \\ G. C. Greubel, Jan 16 2018
(Magma) I:=[0, 1]; [n le 2 select I[n] else 6*Self(n-1) + 9*Self(n-2): n in [1..30]]; // G. C. Greubel, Jan 16 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 24 2011
STATUS
approved