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!)
A070350 a(n) = 2^n mod 45. 2
1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38, 31, 17, 34, 23, 1, 2, 4, 8, 16, 32, 19, 38 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
From R. J. Mathar, Feb 06 2011: (Start)
a(n) = a(n-12).
G.f.: (-1-2*x-4*x^2-8*x^3-16*x^4-32*x^5-19*x^6-38*x^7-31*x^8 -17*x^9 -34*x^10-23*x^11 ) / ( (x-1)*(1+x+x^2)*(1+x)*(1-x+x^2)*(1+x^2)*(x^4-x^2+1) ). (End)
MATHEMATICA
PowerMod[2, Range[0, 50], 45] (* G. C. Greubel, Mar 11 2016 *)
PROG
(PARI) a(n)=lift(Mod(2, 45)^n) \\ Charles R Greathouse IV, Mar 22 2016
(GAP) List([0..79], n->PowerMod(2, n, 45)); # Muniru A Asiru, Jan 30 2019
CROSSREFS
Sequence in context: A073477 A220105 A070351 * A070349 A070348 A130670
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 12 2002
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 March 29 05:28 EDT 2024. Contains 371264 sequences. (Running on oeis4.)