OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (25).
FORMULA
From Philippe Deléham, Nov 23 2008: (Start)
a(n) = 25*a(n-1); a(0)=5.
G.f.: 5/(1-25*x). (End)
E.g.f.: 5*exp(25*x). - Mohammad K. Azarian, Dec 23 2008
MATHEMATICA
NestList[25#&, 5, 20] (* Harvey P. Dale, Aug 08 2013 *)
PROG
(Magma) [5^(2*n+1): n in [0..20]]; // Vincenzo Librandi, May 26 2011
(PARI) a(n)=5^(2*n+1) \\ Charles R Greathouse IV, Jul 11 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved