The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A142201 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A142201

Primes congruent to 4 mod 41.
(history; published version)

#13 by Charles R Greathouse IV at Thu Sep 08 08:45:35 EDT 2022

PROG

(MAGMAMagma) [p: p in PrimesUpTo(14000) | p mod 41 eq 4 ]; // Vincenzo Librandi, Aug 23 2012

Discussion

Thu Sep 08

08:45

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

#12 by Charles R Greathouse IV at Sat Jul 02 00:47:38 EDT 2016

STATUS

editing

approved

#11 by Charles R Greathouse IV at Sat Jul 02 00:46:53 EDT 2016

FORMULA

a(n) ~ 40n log n. - Charles R Greathouse IV, Jul 02 2016

PROG

(PARI) is(n)=isprime(n) && n%41==4 \\ Charles R Greathouse IV, Jul 02 2016

STATUS

approved

editing

#10 by Charles R Greathouse IV at Thu Nov 21 13:07:41 EST 2013

MATHEMATICA

Select[Range[4, 30000, 41], PrimeQ] (* From _Vladimir Joseph Stephan Orlovsky, _, May 17 2011 *)

Discussion

Thu Nov 21

13:07

OEIS Server: https://oeis.org/edit/global/2063

#9 by Alois P. Heinz at Thu Aug 23 09:19:10 EDT 2012

STATUS

proposed

approved

#8 by Vincenzo Librandi at Thu Aug 23 01:24:24 EDT 2012

STATUS

editing

proposed

#7 by Vincenzo Librandi at Thu Aug 23 01:24:17 EDT 2012

LINKS

Vincenzo Librandi, <a href="/A142201/b142201.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

Select[Prime[Range[5000]], MemberQ[{4}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(14000) | p mod 41 eq 4 ]; // Vincenzo Librandi, Aug 23 2012

CROSSREFS

Cf. A000040, A059236, A142199, A142200.

KEYWORD

nonn,easy

STATUS

approved

editing

#6 by Russ Cox at Fri Mar 30 16:50:54 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Jul 11 2008

Discussion

Fri Mar 30

16:50

OEIS Server: https://oeis.org/edit/global/110

#5 by Joerg Arndt at Wed May 18 10:44:02 EDT 2011

STATUS

reviewed

approved

#4 by Alonso del Arte at Tue May 17 17:13:17 EDT 2011

STATUS

proposed

reviewed