A141872 Primes congruent to 7 mod 19.

7, 83, 197, 311, 349, 463, 577, 653, 691, 881, 919, 1033, 1109, 1223, 1451, 1489, 1831, 1907, 2287, 2477, 2591, 2819, 2857, 2971, 3313, 3389, 3541, 3617, 3769, 4073, 4111, 4339, 4567, 4643, 4871, 4909, 5023, 5099, 5441, 5479, 5669, 5783, 5821, 5897, 6011

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[7, 5000, 19], PrimeQ[#]&] (* Vladimir Joseph Stephan Orlovsky, Mar 31 2011*)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 19 eq 7 ]; // Vincenzo Librandi, Aug 15 2012
(PARI) is(n)=isprime(n) && n%19==7 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A105854, A141881, A141882, A141883.

Sequence in context: A244821 A304591 A139951 * A089342 A297716 A075137

Adjacent sequences: A141869 A141870 A141871 * A141873 A141874 A141875

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved