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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139730 a(n) = 9^n mod 5^n. 1
0, 4, 6, 104, 311, 2799, 191, 17344, 77971, 701739, 456276, 33403359, 202973981, 361922079, 815892461, 19550063399, 145432992466, 88193807194, 1556683717871, 10195456195214, 34538646772551, 120112957671709, 2034690935451631, 1622917881955304, 50369047802832111 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

PROG

(MAGMA) [9^n mod 5^n: n in [0..35]]; // Vincenzo Librandi, Jun 03 2011

CROSSREFS

Sequence in context: A052684 A213128 A105037 * A013023 A012909 A219507

Adjacent sequences:  A139727 A139728 A139729 * A139731 A139732 A139733

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 20 2008

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 16 23:44 EST 2019. Contains 319206 sequences. (Running on oeis4.)