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A142280 Primes congruent to 31 mod 43. 1
31, 461, 547, 719, 977, 1063, 1321, 1493, 1579, 2267, 3041, 3299, 3557, 3643, 4073, 4159, 4933, 5449, 5879, 6481, 6653, 6911, 6997, 8287, 8803, 9319, 9491, 9749, 10007, 10093, 10781, 10867, 11383, 11813, 12071, 12157, 12329, 13103, 13619, 13877, 13963, 14221 (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[{31}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(16000) | p mod 43 eq 31 ]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%43==31 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A118196 A160443 A125466 * A160894 A010947 A022626

Adjacent sequences:  A142277 A142278 A142279 * A142281 A142282 A142283

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified September 27 19:04 EDT 2020. Contains 337388 sequences. (Running on oeis4.)