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A013782 5^(4n+1). 2
5, 3125, 1953125, 1220703125, 762939453125, 476837158203125, 298023223876953125, 186264514923095703125, 116415321826934814453125, 72759576141834259033203125, 45474735088646411895751953125 (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 (625).

FORMULA

a(n)=625*a(n-1), n>0 ; a(0)=5 . G.f.: 5/(1-625*x). - Philippe Deléham, Nov 28 2008

MATHEMATICA

5^(4*Range[0, 10]+1) (* or *) NestList[625#&, 5, 10] (* Harvey P. Dale, Jul 12 2012 *)

PROG

(MAGMA) [5^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011

(PARI) a(n)=5^(4*n+1) \\ Charles R Greathouse IV, Jul 11 2016

CROSSREFS

Sequence in context: A076908 A060345 A171980 * A137841 A204940 A172954

Adjacent sequences:  A013779 A013780 A013781 * A013783 A013784 A013785

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 25 21:19 EDT 2017. Contains 284111 sequences.