login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A013782 5^(4n+1). 2
5, 3125, 1953125, 1220703125, 762939453125, 476837158203125, 298023223876953125, 186264514923095703125, 116415321826934814453125, 72759576141834259033203125, 45474735088646411895751953125 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Tanya Khovanova, Recursive Sequences

FORMULA

a(n)=625*a(n-1), n>0 ; a(0)=5 . G.f.: 5/(1-625*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 28 2008]

PROG

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

CROSSREFS

Sequence in context: A060345 A076908 A171980 * A137841 A204940 A172954

Adjacent sequences:  A013779 A013780 A013781 * A013783 A013784 A013785

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 08:58 EST 2012. Contains 205614 sequences.