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 A141870 Primes congruent to 4 mod 19. 1
 23, 61, 137, 251, 479, 593, 631, 821, 859, 1049, 1087, 1163, 1201, 1277, 1429, 1543, 1619, 1657, 1733, 1847, 1999, 2113, 2341, 2417, 2531, 2683, 2797, 3253, 3329, 3557, 3671, 3709, 3823, 4013, 4051, 4127, 4241, 4507, 4583, 4621, 5039, 5077, 5153, 5381, 5419 (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) ~ 18n log n. - Charles R Greathouse IV, Jul 03 2016 MATHEMATICA Select[Range[4, 5000, 19], PrimeQ[#]&] (* Vladimir Joseph Stephan Orlovsky, Mar 31 2011*) PROG (Magma) [p: p in PrimesUpTo(8000) | p mod 19 eq 4 ]; // Vincenzo Librandi, Aug 15 2012 (PARI) is(n)=isprime(n) && n%19==4 \\ Charles R Greathouse IV, Jul 03 2016 CROSSREFS Cf. A105854, A141881, A141882, A141883. Sequence in context: A165286 A031342 A215166 * A115685 A069798 A067194 Adjacent sequences: A141867 A141868 A141869 * A141871 A141872 A141873 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jul 11 2008 STATUS approved

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Last modified March 4 12:21 EST 2024. Contains 370532 sequences. (Running on oeis4.)