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 (2197).
FORMULA
From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 2197*a(n-1); a(0)=13.
G.f.: 13/(1-2197*x).
a(n) = A013753(n)/13. (End)
E.g.f.: 13*exp(13^3*x). - Stefano Spezia, Aug 29 2024
MATHEMATICA
NestList[2197*# &, 13, 15] (* Paolo Xausa, Aug 28 2024 *)
PROG
(Magma) [13^(3*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 27 2011
(PARI) a(n)=13^(3*n+1) \\ Charles R Greathouse IV, Jun 27 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved