OFFSET
0,1
LINKS
G. C. Greubel, 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
G.f.: (4+22x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008
a(n) = 4*Fibonacci(n+2) + 18*Fibonacci(n) = 4*Fibonacci(n-1) + 26*Fibonacci(n). - G. C. Greubel, Mar 02 2018
MATHEMATICA
Table[4*Fibonacci[n+2] + 18*Fibonacci[n], {n, 0, 50}] (* or *) LinearRecurrence[{1, 1}, {4, 26}, 50] (* G. C. Greubel, Mar 02 2018 *)
PROG
(PARI) for(n=0, 50, print1(4*fibonacci(n+2) + 18*fibonacci(n), ", ")) \\ G. C. Greubel, Mar 02 2018
(Magma) [4*Fibonacci(n+2) + 18*Fibonacci(n): n in [0..50]]; // G. C. Greubel, Mar 02 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 14 1998
EXTENSIONS
More terms from Wesley Ivan Hurt, Jun 10 2014
STATUS
approved