The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A229145

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A229145

Numbers k such that (36^k + 1)/37 is prime.
(history; published version)

#41 by Alois P. Heinz at Fri Nov 03 10:58:29 EDT 2023

STATUS

reviewed

approved

#40 by Michel Marcus at Fri Nov 03 10:56:48 EDT 2023

STATUS

proposed

reviewed

#39 by Hugo Pfoertner at Fri Nov 03 09:42:45 EDT 2023

STATUS

editing

proposed

#38 by Hugo Pfoertner at Fri Nov 03 09:35:35 EDT 2023

EXTENSIONS

a(7) corresponds to a probable prime from Paul Bourdelais, Nov 03 2023

STATUS

proposed

editing

Discussion

Fri Nov 03

09:42

Hugo Pfoertner: Anyone who works in this field knows that, with the exception of specially structured forms, all such prime numbers are only "probable". As long as this doesn't change fundamentally, it is better to make a comment only in the very rare cases of "proven primes".

#37 by Paul Bourdelais at Fri Nov 03 09:08:34 EDT 2023

STATUS

editing

proposed

#36 by Paul Bourdelais at Fri Nov 03 09:07:57 EDT 2023

DATA

31, 191, 257, 367, 3061, 110503, 1145393

EXTENSIONS

a(7) corresponds to a probable prime from Paul Bourdelais, Nov 03 2023

STATUS

approved

editing

#35 by Alois P. Heinz at Fri Dec 08 23:01:02 EST 2017

STATUS

proposed

approved

#34 by Jon E. Schoenfield at Fri Dec 08 22:40:48 EST 2017

STATUS

editing

proposed

#33 by Jon E. Schoenfield at Fri Dec 08 22:28:24 EST 2017

COMMENTS

The primes corresponding primes to the terms of this sequence have 1 as their last digit and an even number as their second next-to -last digit. - Iain Fox, Dec 08 2017

STATUS

proposed

editing

#32 by Iain Fox at Fri Dec 08 20:46:40 EST 2017

STATUS

editing

proposed