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 (8000).
MATHEMATICA
20^(3Range[0, 10]+1) (* Harvey P. Dale, Jun 23 2011 *)
PROG
(Magma) [20^(3*n+1): n in [0..10]]; // Vincenzo Librandi, Jun 27 2011
(Maxima) makelist(20^(3*n+1), n, 0, 20); /* Martin Ettl, Oct 21 2012 */
(PARI) a(n)=20^(3*n+1) \\ Charles R Greathouse IV, Jul 10 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved