A013749 a(n) = 11^(3*n + 2).

121, 161051, 214358881, 285311670611, 379749833583241, 505447028499293771, 672749994932560009201, 895430243255237372246531, 1191817653772720942460132761, 1586309297171491574414436704891, 2111377674535255285545615254209921

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 (1331).

Formula

From Philippe Deléham, Nov 30 2008: (Start)

a(n) = 1331*a(n-1); a(0)=121.

G.f.: 121/(1-1331*x).

a(n) = 11*A013748(n). (End)

Maple

seq(11^(3*n+2), n=0..10); # Nathaniel Johnston, Jun 26 2011

Mathematica

NestList[1331#&, 121, 10] (* Harvey P. Dale, Dec 24 2014 *)

Prog

(Magma) [11^(3*n+2): n in [0..15]]; // Vincenzo Librandi, Jun 26 2011
(PARI) a(n)=11^(3*n+2) \\ Charles R Greathouse IV, Jul 11 2016

Crossrefs

Cf. A013748.

Sequence in context: A082489 A360504 A028463 * A178192 A135825 A221392

Adjacent sequences: A013746 A013747 A013748 * A013750 A013751 A013752

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved