The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A201602 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A201602

Primes of the form 7n^2 + 1.
(history; published version)

#6 by Charles R Greathouse IV at Thu Sep 08 08:46:01 EDT 2022

PROG

(MAGMAMagma) [a: n in [0..600] | IsPrime(a) where a is 7*n^2+1];

Discussion

Thu Sep 08

08:46

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

#5 by Russ Cox at Fri Mar 30 18:38:26 EDT 2012

AUTHOR

_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Dec 03 2011

Discussion

Fri Mar 30

18:38

OEIS Server: https://oeis.org/edit/global/215

#4 by Bruno Berselli at Sat Dec 03 06:54:40 EST 2011

STATUS

proposed

approved

#3 by Vincenzo Librandi at Sat Dec 03 02:31:10 EST 2011

STATUS

editing

proposed

#2 by Vincenzo Librandi at Sat Dec 03 02:30:53 EST 2011

NAME

allocated for Vincenzo LibrandiPrimes of the form 7n^2 + 1.

DATA

29, 113, 449, 701, 1009, 1373, 2269, 2801, 3389, 4733, 6301, 8093, 13553, 14813, 23549, 30493, 32369, 34301, 38333, 40433, 42589, 49393, 56701, 64513, 70001, 78653, 81649, 84701, 100801, 114689, 125693, 137201, 149213, 161729, 166013

OFFSET

1,1

LINKS

Vincenzo Librandi, <a href="/A201602/b201602.txt">Table of n, a(n) for n = 1..5000</a>

MATHEMATICA

Select[Table[7n^2+1, {n, 0, 900}], PrimeQ]

PROG

(MAGMA) [a: n in [0..600] | IsPrime(a) where a is 7*n^2+1];

KEYWORD

allocated

nonn,easy

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 03 2011

STATUS

approved

editing

#1 by Vincenzo Librandi at Sat Dec 03 01:26:16 EST 2011

NAME

allocated for Vincenzo Librandi

KEYWORD

allocated

STATUS

approved