OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..500
Tanya Khovanova, Recursive Sequences.
Index entries for linear recurrences with constant coefficients, signature (4).
FORMULA
From Philippe Deléham, Nov 23 2008: (Start)
a(n) = 4*a(n-1), n > 0; a(0)=10.
G.f.: 10/(1-4*x). (End)
From Elmo R. Oliveira, Apr 02 2025: (Start)
E.g.f.: 10*exp(4*x).
MATHEMATICA
10*4^Range[0, 100] (* Vladimir Joseph Stephan Orlovsky, Jun 09 2011 *)
PROG
(Magma) [10*4^n: n in [0..30]]; // Vincenzo Librandi, May 19 2011
(PARI) a(n)=10*4^n \\ Charles R Greathouse IV, Apr 18 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved