A013802 a(n) = 15^(4*n + 1).

15, 759375, 38443359375, 1946195068359375, 98526125335693359375, 4987885095119476318359375, 252511682940423488616943359375, 12783403948858939111232757568359375, 647159824910983792506158351898193359375, 32762466136118554495624266564846038818359375, 1658599848141001821340978494845330715179443359375

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..100

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (50625).

Mathematica

15^(4*Range[0, 10] + 1) (* Paolo Xausa, May 29 2026 *)

Prog

(Magma) [15^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jul 06 2011
(Maxima) makelist(15^(4*n+1), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

Crossrefs

Sequence in context: A129613 A248734 A259210 * A084878 A013874 A068252

Adjacent sequences: A013799 A013800 A013801 * A013803 A013804 A013805

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved