A141878 Primes congruent to 13 mod 19.

13, 89, 127, 241, 317, 431, 659, 773, 811, 887, 1039, 1153, 1229, 1381, 1571, 1609, 1723, 1913, 1951, 2027, 2141, 2179, 2293, 2521, 2711, 2749, 2939, 3167, 3319, 3433, 3547, 3623, 3851, 3889, 4003, 4079, 4231, 4421, 4649, 4801, 4877, 5333, 5827, 5903, 6131

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[13, 5000, 19], PrimeQ[#]&] (* Vladimir Joseph Stephan Orlovsky, Mar 31 2011*)

Prog

(Magma) [p: p in PrimesUpTo(7000) | p mod 19 eq 13 ]; // Vincenzo Librandi, Aug 15 2012
(PARI) is(n)=isprime(n) && n%19==13 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A289137 A228481 A277512 * A132260 A181508 A357219

Adjacent sequences: A141875 A141876 A141877 * A141879 A141880 A141881

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved