A013885 a(n) = 17^(5*n + 4).

83521, 118587876497, 168377826559400929, 239072435685151324847153, 339448671314611904643504117121, 481968572106750915091411825223071697, 684326450885775034048946719925754910487329, 971645701575323882519635342913622589939807491953

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 (1419857).

Crossrefs

Cf. A001026.

Programs

Magma

[17^(5*n+4): n in [0..10]]; // Vincenzo Librandi, May 27 2011

Mathematica

17^(5*Range[0,20]+4) (* or *) NestList[1419857#&,83521,20] (* Harvey P. Dale, May 26 2011 *)

Formula

a(n) = 1419857*a(n-1). - Harvey P. Dale, May 26 2011