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A142495 Primes congruent to 31 mod 51. 1
31, 337, 439, 541, 643, 1051, 1153, 1459, 1663, 1867, 2377, 2683, 2887, 3499, 3907, 4111, 4519, 4621, 4723, 5233, 5437, 5641, 5743, 6151, 6661, 6763, 6967, 7069, 7477, 7681, 8089, 8191, 8293, 8599, 8803, 9007, 9109, 9619, 9721, 10333, 10639, 11047, 11149, 11251 (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[{31}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)

Select[Range[31, 12000, 51], PrimeQ] (* Harvey P. Dale, Apr 24 2017 *)

PROG

(MAGMA) [p: p in PrimesUpTo(13000) | p mod 51 eq 31]; // Vincenzo Librandi, Aug 28 2012

(PARI) is(n)=isprime(n) && n%51==31 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A033175 A123568 A111675 * A100728 A296730 A274180

Adjacent sequences:  A142492 A142493 A142494 * A142496 A142497 A142498

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified October 21 03:24 EDT 2019. Contains 328291 sequences. (Running on oeis4.)