The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A142819 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A142819

Primes congruent to 21 mod 61.
(history; published version)

#7 by Charles R Greathouse IV at Thu Sep 08 08:45:37 EDT 2022

PROG

(MAGMAMagma) [p: p in PrimesUpTo(21000) | p mod 61 eq 21 ]; // Vincenzo Librandi, Sep 05 2012

Discussion

Thu Sep 08

08:45

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

#6 by Joerg Arndt at Wed Sep 05 04:34:16 EDT 2012

STATUS

proposed

approved

#5 by Vincenzo Librandi at Wed Sep 05 03:26:27 EDT 2012

STATUS

editing

proposed

#4 by Vincenzo Librandi at Wed Sep 05 03:26:17 EDT 2012

LINKS

Vincenzo Librandi, <a href="/A142819/b142819.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

Select[Prime[Range[2600]], MemberQ[{21}, Mod[#, 61]] &] (* Vincenzo Librandi, Sep 05 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(21000) | p mod 61 eq 21 ]; // Vincenzo Librandi, Sep 05 2012

CROSSREFS

Cf. A000040.

KEYWORD

nonn,easy

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 16:50:58 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

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

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

#1 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

NAME

Primes congruent to 21 mod 61.

DATA

509, 631, 997, 1607, 1973, 2339, 3559, 3803, 4657, 5023, 6121, 7219, 7829, 7951, 8317, 9049, 9293, 9781, 10391, 10513, 11489, 12343, 12953, 13441, 13807, 14051, 14173, 14783, 15149, 15271, 15881, 16369, 16979, 17467, 18077, 18199, 18443, 19541, 20029, 20639

OFFSET

1,1

KEYWORD

nonn

AUTHOR

njas, Jul 11 2008

STATUS

approved