A013907 a(n) = 23^(5*n + 2).

529, 3404825447, 21914624432020321, 141050039560662968926103, 907846434775996175406740561329, 5843211045545439551605946764725979847, 37608910510519071039902074217516707306379521, 242063847902005849254176436075394136454464685331703

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..50
• Tanya Khovanova, Recursive Sequences
• Index entries for linear recurrences with constant coefficients, signature (6436343).

Crossrefs

Cf. A009967.

Programs

Magma

[23^(5*n+2): n in [0..10]]; // Vincenzo Librandi, May 29 2011

Mathematica

23^(5*Range[0,10]+2) (* or *) NestList[6436343#&,529,10] (* Harvey P. Dale, Aug 17 2017 *)

Formula

a(n) = 6436343*a(n-1), a(0)=529. - Vincenzo Librandi, May 29 2011

E.g.f.: 529*exp(6436343*x). - Alejandro J. Becerra Jr., Jun 27 2021