OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (1,1).
FORMULA
From R. J. Mathar, Mar 11 2011: (Start)
a(n) = 2*A022095(n).
G.f.: 2*(1+4*x)/(1-x-x^2). (End)
a(n) = 11*F(n) + F(n-3). - J. M. Bergot, Jul 19 2017
MATHEMATICA
LinearRecurrence[{1, 1}, {2, 10}, 40] (* Harvey P. Dale, Jun 17 2014 *)
PROG
(PARI) for(n=0, 50, print1(2*(fibonacci(n+2) + 3*fibonacci(n)), ", ")) \\ G. C. Greubel, Aug 27 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Michel Marcus, Jul 05 2017
STATUS
approved