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A013757 15^(3n+2). 1
225, 759375, 2562890625, 8649755859375, 29192926025390625, 98526125335693359375, 332525673007965087890625, 1122274146401882171630859375, 3787675244106352329254150390625, 12783403948858939111232757568359375 (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 (3375).

FORMULA

a(n)=3375*a(n-1), n>0 ; a(0)=225 . G.f.: 225/(1-3375*x). - Philippe Deléham, Dec 03 2008

MATHEMATICA

15^(3Range[0, 20]+2) (* or *) NestList[3375#&, 225, 20] (* Harvey P. Dale, Oct 25 2011 *)

PROG

(MAGMA) [15^(3*n+2): n in [0..15]]; // Vincenzo Librandi, Jun 27 2011

(Maxima) makelist(15^(3*n+2), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

(PARI) a(n)=15^(3*n+2) \\ Charles R Greathouse IV, Jul 10 2016

CROSSREFS

Sequence in context: A239478 A109688 A195277 * A151653 A077729 A077737

Adjacent sequences:  A013754 A013755 A013756 * A013758 A013759 A013760

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 27 05:52 EDT 2017. Contains 288777 sequences.