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A013835 a(n) = 5^(5*n + 2). 2
25, 78125, 244140625, 762939453125, 2384185791015625, 7450580596923828125, 23283064365386962890625, 72759576141834259033203125, 227373675443232059478759765625, 710542735760100185871124267578125, 2220446049250313080847263336181640625 (list; graph; refs; listen; history; text; internal format)
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 (3125).

FORMULA

From Philippe Deléham, Dec 03 2008: (Start)

a(n) = 3125*a(n-1); a(0)=25.

G.f.: 25/(1-3125*x). (End)

PROG

(MAGMA) [5^(5*n+2): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

(Maxima) makelist(5^(5*n+2), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

(PARI) a(n)=5^(5*n+2) \\ Charles R Greathouse IV, Jul 11 2016

CROSSREFS

Sequence in context: A203543 A034711 A076445 * A211600 A068737 A151649

Adjacent sequences:  A013832 A013833 A013834 * A013836 A013837 A013838

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 21 00:36 EST 2018. Contains 317427 sequences. (Running on oeis4.)