login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A126605 Final three digits of 2^n. 5
1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 24, 48, 96, 192, 384, 768, 536, 72, 144, 288, 576, 152, 304, 608, 216, 432, 864, 728, 456, 912, 824, 648, 296, 592, 184, 368, 736, 472, 944, 888, 776, 552, 104, 208, 416, 832, 664, 328, 656, 312, 624, 248, 496, 992, 984, 968 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Has period 100. Sequence of last four digits has period 500. Cf. A000855 Final two digits of 2^n, has period 20.
LINKS
V. Raman and Vincenzo Librandi, Table of n, a(n) for n = 0..1000 (first 103 terms from V. Raman)
MATHEMATICA
Table[PowerMod[2, n, 1000], {n, 1000}]
PROG
(PARI) for(i=1, 103, print(i" "(2^i)%1000)) \\ V. Raman, Sep 01 2012
(Magma) [Modexp(2, n, 1000): n in [0..110]]; // Vincenzo Librandi, Aug 16 2016
CROSSREFS
Sequence in context: A054842 A290389 A101440 * A072067 A072049 A281938
KEYWORD
nonn,base,easy
AUTHOR
Zak Seidov, Mar 13 2007
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 22 12:20 EST 2024. Contains 370255 sequences. (Running on oeis4.)