The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A227575

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A227575

Largest prime factor of 7^n + 1.
(history; published version)

#53 by OEIS Server at Wed Aug 30 09:45:48 EDT 2023

LINKS

<a href="/A227575/b227575_4.txt">Table of n, a(n) for n = 0..387</a>

#52 by Max Alekseyev at Wed Aug 30 09:45:48 EDT 2023

STATUS

editing

approved

Discussion

Wed Aug 30

09:45

OEIS Server: Installed new b-file as b227575.txt.  Old b-file is now b227575_4.txt.

#51 by Max Alekseyev at Wed Aug 30 09:45:44 EDT 2023

LINKS

Max Alekseyev, <a href="/A227575/b227575_4.txt">Table of n, a(n) for n = 0..387</a>

EXTENSIONS

a(373)-a(385387) in b-file from Max Alekseyev, Apr 25 2022, Aug 30 2023

#50 by Max Alekseyev at Wed Aug 30 09:45:09 EDT 2023

LINKS

Max Alekseyev, <a href="/A227575/b227575_4.txt">Table of n, a(n) for n = 0..385387</a>

STATUS

approved

editing

#49 by Charles R Greathouse IV at Thu Sep 08 08:46:05 EDT 2022

PROG

(MAGMAMagma) [Maximum(PrimeDivisors(7^n+1)): n in [0..30]]; // Bruno Berselli, Aug 23 2013

Discussion

Thu Sep 08

08:46

OEIS Server: https://oeis.org/edit/global/2944

#48 by Max Alekseyev at Mon Apr 25 21:10:13 EDT 2022

STATUS

editing

approved

#47 by Max Alekseyev at Mon Apr 25 21:10:10 EDT 2022

EXTENSIONS

a(372373)-a(385) in b-file from Max Alekseyev, Apr 25 2022

STATUS

approved

editing

#46 by OEIS Server at Mon Apr 25 21:09:45 EDT 2022

LINKS

<a href="/A227575/b227575_3.txt">Table of n, a(n) for n = 0..385</a>

#45 by Max Alekseyev at Mon Apr 25 21:09:45 EDT 2022

STATUS

editing

approved

Discussion

Mon Apr 25

21:09

OEIS Server: Installed new b-file as b227575.txt.  Old b-file is now b227575_3.txt.

#44 by Max Alekseyev at Mon Apr 25 21:09:41 EDT 2022

LINKS

Max Alekseyev, <a href="/A227575/b227575_3.txt">Table of n, a(n) for n = 0..385</a>