A013772 a(n) = 23^(3*n + 1).

23, 279841, 3404825447, 41426511213649, 504036361936467383, 6132610415680998648961, 74615470927590710561908487, 907846434775996175406740561329, 11045767571919545466173812409689943, 134393854047545109686936775588697536481

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 (12167).

Formula

a(n) = 12167*a(n-1). - Harvey P. Dale, Aug 17 2016

Mathematica

23^(3*Range[0, 10]+1) (* or *) NestList[12167#&, 23, 10] (* Harvey P. Dale, Aug 17 2016 *)

Prog

(Magma) [23^(3*n+1): n in [0..10]]; // Vincenzo Librandi, Jun 27 2011
(Maxima) makelist(23^(3*n+1), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

Crossrefs

Sequence in context: A068736 A138763 A156176 * A320442 A034247 A050234

Adjacent sequences: A013769 A013770 A013771 * A013773 A013774 A013775

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved