OFFSET
0,2
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.: 15*x/(1 - x - x^2). - Philippe Deléham, Nov 20 2008
From Bruno Berselli, Jul 27 2017: (Start)
a(n) = 15*A000045(n).
a(n) = Lucas(n+4) - Lucas(n-4), where Lucas(i) for i = 0..3 gives 7, -4, 3, -1. (End)
MATHEMATICA
Table[15 Fibonacci[n], {n, 0, 40}] (* or *) LinearRecurrence[{1, 1}, {0, 15}, 40] (* Bruno Berselli, Jul 27 2017 *)
PROG
(Magma) a0:=0; a1:=15; [GeneralizedFibonacciNumber(a0, a1, n): n in [0..40]]; // Bruno Berselli, Jul 27 2017
(PARI) for(n=0, 50, print1(15*fibonacci(n), ", ")) \\ G. C. Greubel, Aug 26 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved