The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A105760 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A105760

Nonnegative numbers k such that 2k+7 is prime.
(history; published version)

#45 by Joerg Arndt at Sun Feb 04 01:19:34 EST 2024

STATUS

editing

approved

#44 by Paolo P. Lava at Sat Feb 03 07:51:47 EST 2024

COMMENTS

Solutions of the equation (2*k+7)' = 1, where k' is the arithmetic derivative of k. - Paolo P. Lava, Nov 15 2012

STATUS

approved

editing

#43 by Charles R Greathouse IV at Thu Sep 08 08:45:17 EDT 2022

PROG

(MAGMAMagma)[n: n in [0..200]| IsPrime(2*n+7)]; // Vincenzo Librandi, Dec 21 2010

Discussion

Thu Sep 08

08:45

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

#42 by Bruno Berselli at Wed May 22 03:35:46 EDT 2019

STATUS

reviewed

approved

#41 by Michel Marcus at Wed May 22 01:43:14 EDT 2019

STATUS

proposed

reviewed

#40 by Michel Marcus at Wed May 22 01:43:11 EDT 2019

STATUS

editing

proposed

#39 by Michel Marcus at Wed May 22 01:42:37 EDT 2019

LINKS

Tony D. Noe and Jonathan Vos Post, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL8/Noe/noe5.html">Primes in Fibonacci n-step and Lucas n-step Sequences,</a> J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4.

STATUS

proposed

editing

#38 by Jon E. Schoenfield at Tue May 21 23:45:46 EDT 2019

STATUS

editing

proposed

#37 by Jon E. Schoenfield at Tue May 21 23:45:44 EDT 2019

NAME

Nonnegative numbers n k such that 2n2k+7 is prime.

COMMENTS

Solutions of the equation (2*nk+7)' = 1, where nk' is the arithmetic derivative of nk. - Paolo P. Lava, Nov 15 2012

STATUS

proposed

editing

#36 by G. C. Greubel at Tue May 21 23:24:06 EDT 2019

STATUS

editing

proposed