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A013828 3^(5*n+3). 1
27, 6561, 1594323, 387420489, 94143178827, 22876792454961, 5559060566555523, 1350851717672992089, 328256967394537077627, 79766443076872509863361, 19383245667680019896796723, 4710128697246244834921603689 (list; graph; refs; listen; history; text; internal format)
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 (243).

FORMULA

a(n)=243*a(n-1), n>0 ; a(0)=27 . G.f.: 27/(1-243*x). a(n)=3*A013827(n)= 9*A013826(n)=A013829(n)/3 . [From Philippe Deléham, Nov 30 2008]

MATHEMATICA

3^(5*Range[0, 20]+3) (* or *) NestList[243#&, 27, 20] (* Harvey P. Dale, Jun 07 2016 *)

PROG

(MAGMA) [3^(5*n+3): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

CROSSREFS

Sequence in context: A211928 A123395 A051680 * A209261 A001321 A263601

Adjacent sequences:  A013825 A013826 A013827 * A013829 A013830 A013831

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 27 19:44 EDT 2017. Contains 288790 sequences.