OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (7).
FORMULA
G.f.: 5/(1-7*x).
a(n) = 7*a(n-1), a(0)=5.
From Elmo R. Oliveira, Sep 30 2025: (Start)
E.g.f.: 5*exp(7*x).
a(n) = 5*A000420(n). (End)
MATHEMATICA
5 7^Range[0, 20] (* or *) NestList[7#&, 5, 20] (* Harvey P. Dale, Dec 10 2017 *)
PROG
(Magma) [5*7^n: n in [0..20]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Sep 15 2011
STATUS
approved