A013798 a(n) = 13^(4*n + 1).

13, 371293, 10604499373, 302875106592253, 8650415919381337933, 247064529073450392704413, 7056410014866816666030739693, 201538126434611150798503956371773, 5756130429098929077956071497934208653, 164400841185494513395503358052498933338333, 4695452425098908797088971409337422035076128813

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 (28561).

Mathematica

13^(4*Range[0, 10] + 1) (* Paolo Xausa, May 29 2026 *)

Prog

(Magma)[13^(4*n+1): n in [0..10]]; // Vincenzo Librandi, Jun 28 2011

Crossrefs

Subsequence of A001022.

Sequence in context: A176119 A228522 A274229 * A055324 A228538 A055313

Adjacent sequences: A013795 A013796 A013797 * A013799 A013800 A013801

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved