[go: nahoru, domu]

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!)
Revision History for A039951 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A039951 a(n) is the smallest prime p such that p^2 divides n^(p-1) - 1.
(history; published version)
#93 by Joerg Arndt at Fri Aug 09 01:23:12 EDT 2024
STATUS

reviewed

approved

#92 by Michel Marcus at Thu Aug 08 23:03:34 EDT 2024
STATUS

proposed

reviewed

#91 by Andrew Howroyd at Thu Aug 08 22:49:24 EDT 2024
STATUS

editing

proposed

#90 by Andrew Howroyd at Thu Aug 08 22:49:09 EDT 2024
PROG

(PARI) fora(n=1, 20, )={forprime(p=2, 1e9oo, if(Mod(n, p^2)^(p-1)==1, print1return(p, ", "); next({2}))); print1("--, ")) \\ _))); oo} \\ _Felix Fröhlich_, Jul 24 2014

STATUS

proposed

editing

#89 by Jason Yuen at Thu Aug 08 20:11:58 EDT 2024
STATUS

editing

proposed

#88 by Jason Yuen at Thu Aug 08 20:11:47 EDT 2024
PROG

(PARI) for(n=1, 20, forprime(p=2, 1e9, if(Mod(n, p^2)^(p-1)==1), , print1(p, ", "); next({2}))); print1("--, ")) \\ Felix Fröhlich, Jul 24 2014

STATUS

approved

editing

#87 by Charles R Greathouse IV at Mon Apr 03 10:36:09 EDT 2023
LINKS

C. K. Caldwell, The Prime Glossary, <a href="httphttps://primes.utmt5k.eduorg/glossary/page.php?sort=FermatQuotient">Fermat quotient</a>.

Discussion
Mon Apr 03 10:36
OEIS Server: https://oeis.org/edit/global/2966
#86 by Peter Luschny at Tue Jul 27 12:31:19 EDT 2021
STATUS

reviewed

approved

#85 by Jon E. Schoenfield at Sun Jul 25 11:15:06 EDT 2021
STATUS

proposed

reviewed

Discussion
Sun Jul 25 12:03
Richard Fischer: This is ok for publication, thanks.
#84 by Jon E. Schoenfield at Sun Jul 25 11:14:59 EDT 2021
STATUS

editing

proposed

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 September 7 07:38 EDT 2024. Contains 375729 sequences. (Running on oeis4.)