A141880 Primes congruent to 15 mod 19.

53, 167, 281, 433, 509, 547, 661, 1117, 1193, 1231, 1307, 1459, 1801, 1877, 2029, 2143, 2333, 2371, 2447, 2713, 2789, 2903, 3169, 3359, 3511, 3701, 3739, 3853, 3929, 3967, 4157, 4271, 4423, 4651, 4993, 5107, 5297, 5449, 5563, 5639, 5791, 5867, 5981, 6133

Offset

1,1

Links

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

Formula

a(n) ~ 18n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Range[15, 5000, 19], PrimeQ[#]&] (* Vladimir Joseph Stephan Orlovsky, Apr 03 2011*)
Select[Prime[Range[800]], Mod[#, 19]==15&] (* Harvey P. Dale, Aug 17 2023 *)

Prog

(Magma) [p: p in PrimesUpTo(7000) | p mod 19 eq 15 ]; // Vincenzo Librandi, Aug 15 2012
(PARI) is(n)=isprime(n) && n%19==15 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A141869.

Sequence in context: A142508 A279259 A142639 * A142698 A241044 A303093

Adjacent sequences: A141877 A141878 A141879 * A141881 A141882 A141883

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved