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A142366 Primes congruent to 15 mod 47. 1
109, 673, 1049, 1237, 1613, 1801, 2083, 2459, 2647, 2741, 3023, 4057, 4339, 4621, 4903, 5279, 5749, 5843, 6689, 6971, 7159, 7253, 7723, 7817, 8287, 8663, 9133, 9227, 9697, 9791, 11483, 11953, 12329, 12517, 12611, 12799, 12893, 13457, 14303, 14867, 15149 (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) ~ 46n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2500]], MemberQ[{15}, Mod[#, 47]]&] (* Vincenzo Librandi, Aug 27 2012 *)

Select[Range[15, 16000, 47], PrimeQ] (* Harvey P. Dale, Aug 01 2020 *)

PROG

(MAGMA) [p: p in PrimesUpTo(18000) | p mod 47 eq 15]; // Vincenzo Librandi, Aug 27 2012

(PARI) is(n)=isprime(n) && n%47==15 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A126856 A142915 A226473 * A103734 A232039 A301743

Adjacent sequences:  A142363 A142364 A142365 * A142367 A142368 A142369

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified January 25 22:06 EST 2022. Contains 350572 sequences. (Running on oeis4.)