A142553 Primes congruent to 23 mod 53.

23, 659, 977, 1613, 1931, 2143, 3203, 3733, 4051, 4157, 4793, 5323, 5641, 6277, 6701, 7019, 7549, 7867, 8291, 8609, 8821, 10093, 10729, 11047, 11471, 11789, 12107, 12637, 12743, 13591, 13697, 14969, 15287, 15817, 15923, 16453, 18043, 18149, 18679, 19421

Offset

1,1

Links

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

Formula

a(n) ~ 52n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2600]], MemberQ[{23}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)
Select[Range[23, 20000, 53], PrimeQ] (* Harvey P. Dale, Mar 16 2016 *)

Prog

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 23]; // Vincenzo Librandi, Aug 30 2012
(PARI) is(n)=isprime(n) && n%53==23 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A265681 A023295 A169596 * A123782 A023278 A013362

Adjacent sequences: A142550 A142551 A142552 * A142554 A142555 A142556

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved