OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..100
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (1024).
FORMULA
From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 1024*a(n-1), n > 0; a(0)=4.
G.f.: 4/(1-1024*x). (End)
MATHEMATICA
4^(5Range[0, 20]+1) (* or *) NestList[1024#&, 4, 20] (* Harvey P. Dale, Oct 04 2011 *)
PROG
(Magma) [4^(5*n+1): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011
(PARI) a(n)=4^(5*n+1) \\ Charles R Greathouse IV, Jul 11 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved