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!)
A142254 Primes congruent to 5 mod 43. 1
5, 263, 349, 521, 607, 1123, 1381, 1553, 1811, 2069, 2671, 2843, 3187, 3359, 3617, 4133, 4219, 4391, 4649, 4993, 5939, 6197, 6971, 7057, 7229, 7487, 7573, 8089, 8863, 9293, 9551, 10067, 11443, 11701, 11959, 12647, 13163, 13249, 13421, 13679, 14281, 14797 (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) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[5000]], MemberQ[{5}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 24 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(15000) | p mod 43 eq 5 ]; // Vincenzo Librandi, Aug 24 2012

(PARI) is(n)=isprime(n) && n%43==5 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A003383 A195575 A195553 * A159954 A079681 A086656

Adjacent sequences:  A142251 A142252 A142253 * A142255 A142256 A142257

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 July 9 05:46 EDT 2020. Contains 335538 sequences. (Running on oeis4.)