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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A013897 20^(5n+4). 1
160000, 512000000000, 1638400000000000000, 5242880000000000000000000, 16777216000000000000000000000000, 53687091200000000000000000000000000000, 171798691840000000000000000000000000000000000, 549755813888000000000000000000000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..50

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (3200000).

FORMULA

a(n) = 3200000*a(n-1), a(0)=160000. [Vincenzo Librandi, May 27 2011]

MATHEMATICA

20^(5*Range[0, 10]+4) (* or *) NestList[3200000#&, 160000, 10] (* Harvey P. Dale, Feb 15 2016 *)

PROG

(MAGMA) [20^(5*n+4): n in [0..10]]; // Vincenzo Librandi, May 27 2011

CROSSREFS

Sequence in context: A223483 A202936 A251971 * A205742 A206674 A205518

Adjacent sequences:  A013894 A013895 A013896 * A013898 A013899 A013900

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified March 30 14:31 EDT 2017. Contains 284302 sequences.