The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A142314 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A142314

Primes congruent to 4 mod 45.
(history; published version)

#9 by Charles R Greathouse IV at Thu Sep 08 08:45:36 EDT 2022

PROG

(MAGMAMagma) [p: p in PrimesUpTo(10000) | p mod 45 eq 4]; // Vincenzo Librandi, Aug 25 2012

Discussion

Thu Sep 08

08:45

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

#8 by Charles R Greathouse IV at Sat Jul 02 23:58:29 EDT 2016

STATUS

editing

approved

#7 by Charles R Greathouse IV at Sat Jul 02 23:58:01 EDT 2016

FORMULA

a(n) ~ 24n log n. - Charles R Greathouse IV, Jul 02 2016

PROG

(PARI) is(n)=isprime(n) && n%45==4 \\ Charles R Greathouse IV, Jul 02 2016

STATUS

approved

editing

#6 by N. J. A. Sloane at Sat Aug 25 17:49:16 EDT 2012

STATUS

proposed

approved

#5 by Vincenzo Librandi at Sat Aug 25 15:38:25 EDT 2012

STATUS

editing

proposed

#4 by Vincenzo Librandi at Sat Aug 25 15:38:16 EDT 2012

LINKS

Vincenzo Librandi, <a href="/A142314/b142314.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

Select[Prime[Range[3000]], MemberQ[{4}, Mod[#, 45]]&] (* Vincenzo Librandi, Aug 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(10000) | p mod 45 eq 4]; // Vincenzo Librandi, Aug 25 2012

CROSSREFS

Cf. A000040.

KEYWORD

nonn,easy

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 16:50:55 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 4 mod 45.

DATA

139, 229, 409, 499, 769, 859, 1039, 1129, 1399, 1489, 1579, 1669, 1759, 2029, 2389, 2659, 2749, 3019, 3109, 3469, 3559, 3739, 3919, 4099, 4549, 4639, 4729, 4909, 4999, 5179, 5449, 6079, 6529, 6619, 6709, 7069, 7159, 7699, 7789, 7879, 8059, 8329, 8419, 8599

OFFSET

1,1

KEYWORD

nonn

AUTHOR

njas, Jul 11 2008

STATUS

approved