A141922 Primes congruent to 18 mod 23.

41, 179, 271, 317, 409, 547, 593, 823, 1237, 1283, 1559, 1697, 1789, 1973, 2111, 2203, 2341, 2617, 2663, 2801, 2939, 3169, 3307, 3491, 3583, 3767, 4273, 4457, 4549, 4733, 4871, 5009, 5101, 5147, 5653, 5791, 6067, 6113, 6343, 6389, 6481, 6619, 6803, 7079

Offset

1,1

Links

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

Formula

a(n) ~ 22n log n. - Charles R Greathouse IV, Jul 02 2016

Mathematica

Select[Range[18, 20000, 23], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 18 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(9000) | p mod 23 eq 18 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%23==18 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040, A141923, A141924, A141925.

Sequence in context: A142310 A033228 A282941 * A142080 A254228 A141939

Adjacent sequences: A141919 A141920 A141921 * A141923 A141924 A141925

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved