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!)
A167796 Numbers with primitive root 8. 20

%I

%S 3,5,11,25,29,53,59,83,101,107,121,125,131,149,173,179,197,227,269,

%T 293,317,347,389,419,443,461,467,491,509,557,563,587,625,653,659,677,

%U 701,773,797,821,827,841,941,947,1019,1061,1091,1109,1187,1229,1259,1277

%N Numbers with primitive root 8.

%H Vincenzo Librandi, <a href="/A167796/b167796.txt">Table of n, a(n) for n = 1..1000</a>

%t pr=8; Select[Range[2,2000], MultiplicativeOrder[pr,# ] == EulerPhi[ # ] &]

%Y Cf. A019338 (primes with primitive root 8)

%K nonn

%O 1,1

%A _T. D. Noe_, Nov 12 2009

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 19 12:40 EST 2022. Contains 350465 sequences. (Running on oeis4.)