[go: up one dir, main page]

login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Revision History for A172041 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

Showing all changes.
Primes of the form 2^p-3 with p also prime.
(history; published version)
#7 by Harvey P. Dale at Sun Aug 27 12:55:38 EDT 2023
STATUS

editing

approved

#6 by Harvey P. Dale at Sun Aug 27 12:55:35 EDT 2023
COMMENTS

The next term has 12851 digits. - Harvey P. Dale, Aug 27 2023

MATHEMATICA

Select[Table[2^p-3, {p, Prime[Range[100]]}], PrimeQ] (* Harvey P. Dale, Aug 27 2023 *)

STATUS

approved

editing

#5 by Russ Cox at Fri Mar 30 18:38:18 EDT 2012
AUTHOR

_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Jan 24 2010

Discussion
Fri Mar 30
18:38
OEIS Server: https://oeis.org/edit/global/215
#4 by Russ Cox at Fri Mar 30 17:40:16 EDT 2012
EXTENSIONS

Definition clarified by _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Jan 28 2010

Discussion
Fri Mar 30
17:40
OEIS Server: https://oeis.org/edit/global/190
#3 by Max Alekseyev at Wed Feb 08 07:04:57 EST 2012
STATUS

editing

approved

#2 by Max Alekseyev at Wed Feb 08 07:04:50 EST 2012
COMMENTS

Next two terms are 2^42689-3 and 2^69337-3.

Subsequence of A050415.

Subsequence of A050415. Corresponding p = 3,5,29,233,.. are the primes in A050414.

STATUS

approved

editing

#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010
NAME

Primes of the form 2^p-3 with p also prime.

DATA

5, 29, 536870909, 13803492693581127574869511724554050904902217944340773110325048447598589

OFFSET

1,1

COMMENTS

Subsequence of A050415. p = 3,5,29,233,.. are the primes in A050414.

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 24 2010

EXTENSIONS

Definition clarified by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 28 2010

STATUS

approved