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 A141891 Primes congruent to 8 mod 21. 1
 29, 71, 113, 197, 239, 281, 449, 491, 617, 659, 701, 743, 827, 911, 953, 1163, 1289, 1373, 1499, 1583, 1667, 1709, 1877, 2003, 2087, 2129, 2213, 2297, 2339, 2381, 2423, 2549, 2591, 2633, 2801, 2843, 2927, 2969, 3011, 3137, 3221, 3347, 3389, 3557, 3767, 3851 (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) ~ 12n log n. - Charles R Greathouse IV, Jul 03 2016 MATHEMATICA Select[Range[8, 5000, 21], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 04 2011 *) PROG (Magma) [ p: p in PrimesUpTo(5000) | p mod 21 eq 8 ]; // Vincenzo Librandi, Apr 05 2011 (PARI) is(n)=isprime(n) && n%21==8 \\ Charles R Greathouse IV, Jul 03 2016 CROSSREFS Cf. A000040, A124826. Sequence in context: A123372 A031343 A155483 * A144313 A218561 A099775 Adjacent sequences: A141888 A141889 A141890 * A141892 A141893 A141894 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jul 11 2008 STATUS approved

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Last modified May 25 16:44 EDT 2024. Contains 372801 sequences. (Running on oeis4.)