The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A027753

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A027753

Primes of form n^2 + n + 3.
(history; published version)

#22 by N. J. A. Sloane at Sun Aug 11 14:41:29 EDT 2024

LINKS

P. De Geest, <a href="httphttps://www.worldofnumbers.com/index.html">World!Of Numbers</a>

Discussion

Sun Aug 11

14:41

OEIS Server: https://oeis.org/edit/global/2998

#21 by Charles R Greathouse IV at Thu Sep 08 08:44:49 EDT 2022

PROG

(MAGMAMagma)[ a: n in [0..350] | IsPrime(a) where a is n^2+n+3 ]; // Vincenzo Librandi, Dec 29 2010

Discussion

Thu Sep 08

08:44

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

#20 by Joerg Arndt at Sun May 30 09:46:54 EDT 2021

OFFSET

0,1,1

KEYWORD

nonn,changed

nonn

STATUS

editing

approved

#19 by Alois P. Heinz at Sun May 30 09:43:52 EDT 2021

STATUS

proposed

editing

Discussion

Sun May 30

09:44

Alois P. Heinz: please see also:    https://oeis.org/wiki/Style_Sheet#Offset

09:45

Alois P. Heinz: also b-file has offset 1.

#18 by Ryan Bresler at Sun May 30 09:03:32 EDT 2021

STATUS

editing

proposed

Discussion

Sun May 30

09:04

Ryan Bresler: an offset of 1 should be n^2 - n + 3

09:43

Alois P. Heinz: no.  This is a list.  Lists have offset 1.  And offset should never be changed without notice in EXTENSIONS.

#17 by Ryan Bresler at Sun May 30 09:02:09 EDT 2021

OFFSET

1,0,1

STATUS

approved

editing

Discussion

Sun May 30

09:02

Ryan Bresler: should the offset be 0? 0^2 + 0 + 3 = 3

#16 by Joerg Arndt at Sun Mar 19 08:47:01 EDT 2017

STATUS

reviewed

approved

#15 by Joerg Arndt at Sun Mar 19 05:50:47 EDT 2017

STATUS

proposed

reviewed

#14 by Michel Marcus at Sun Mar 19 04:26:35 EDT 2017

STATUS

editing

proposed

#13 by Michel Marcus at Sun Mar 19 04:26:29 EDT 2017

PROG

(MAGMA)[ a: n in [0..350] | IsPrime(a) where a is n^2+n+3 ]; [From // _Vincenzo Librandi, _, Dec 29 2010]

STATUS

proposed

editing