The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A059325 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A059325

Numbers n such that 6n + 5 is prime.
(history; published version)

#38 by Joerg Arndt at Sun Feb 04 01:13:22 EST 2024

STATUS

editing

approved

#37 by Paolo P. Lava at Sat Feb 03 07:58:30 EST 2024

COMMENTS

Solutions of the equation (6*n+5)'=1, where n' is the arithmetic derivative of n. - Paolo P. Lava, Jan 03 2013

STATUS

approved

editing

#36 by Charles R Greathouse IV at Thu Sep 08 08:45:02 EDT 2022

PROG

(MAGMAMagma) [n: n in [0..200]| IsPrime(6*n+5)] // Vincenzo Librandi, Aug 07 2010

Discussion

Thu Sep 08

08:45

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

#35 by Charles R Greathouse IV at Fri Feb 17 15:45:47 EST 2017

STATUS

editing

approved

#34 by Charles R Greathouse IV at Fri Feb 17 15:45:43 EST 2017

PROG

(PARI) is(n)=isprime(6*n+5) \\ Charles R Greathouse IV, Feb 17 2017

STATUS

approved

editing

#33 by OEIS Server at Sat Jan 07 02:44:16 EST 2017

LINKS

G. C. Greubel, <a href="/A059325/b059325_1.txt">Table of n, a(n) for n = 1..5000</a>

#32 by Joerg Arndt at Sat Jan 07 02:44:16 EST 2017

STATUS

editing

approved

Discussion

Sat Jan 07

02:44

OEIS Server: Installed new b-file as b059325.txt.  Old b-file is now b059325_1.txt.

#31 by Joerg Arndt at Sat Jan 07 02:44:03 EST 2017

MATHEMATICA

lst={}; Do[p=n+(n+2)+(n+3); If[PrimeQ[p], AppendTo[lst, n/2]], {n, 0, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, May 22 2009 *)

STATUS

proposed

editing

#30 by G. C. Greubel at Fri Jan 06 19:17:14 EST 2017

STATUS

editing

proposed

#29 by G. C. Greubel at Fri Jan 06 19:16:16 EST 2017

LINKS

G. C. Greubel, <a href="/A059325/b059325.txt">Table of n, a(n) for n = 1..5000</a>

MATHEMATICA

Select[Range[0, 1000], PrimeQ[6 # + 5] &] (* G. C. Greubel, Jan 06 2017 *)

STATUS

proposed

editing

Discussion

Fri Jan 06

19:17

G. C. Greubel: Server timed out and made duplicates upon return. Removed duplicates.