login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142502 Primes congruent to 43 mod 51. 1
43, 349, 757, 859, 1063, 1471, 1777, 1879, 2083, 2287, 2389, 2593, 2797, 3001, 3307, 3511, 3613, 3919, 4021, 4327, 5347, 5449, 5653, 5857, 6163, 6367, 6469, 6571, 6673, 7489, 7591, 8101, 8713, 9631, 9733, 10039, 10141, 10243, 10651, 10753, 10957, 11059 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

FORMULA

a(n) ~ 32n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2400]], MemberQ[{43}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)

Select[Range[43, 12000, 51], PrimeQ] (* Harvey P. Dale, Sep 10 2019 *)

PROG

(MAGMA) [p: p in PrimesUpTo(13000) | p mod 51 eq 43]; // Vincenzo Librandi, Aug 28 2012

(PARI) is(n)=isprime(n) && n%51==43 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A213554 A164783 A291861 * A272124 A340199 A142770

Adjacent sequences:  A142499 A142500 A142501 * A142503 A142504 A142505

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 11:35 EDT 2021. Contains 348211 sequences. (Running on oeis4.)