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A142568 Primes congruent to 38 mod 53. 1
197, 409, 727, 1151, 1787, 1999, 2423, 2741, 2953, 3271, 3907, 4013, 4649, 4861, 4967, 5179, 6133, 6451, 7193, 7723, 7829, 8147, 8677, 8783, 9419, 9631, 9949, 10267, 10691, 10903, 12281, 12917, 13553, 14083, 14401, 15461, 15991, 16097, 17581, 18217, 18959 (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) ~ 52n log n. - Charles R Greathouse IV, Jul 04 2016

MATHEMATICA

Select[Prime[Range[2200]], Mod[#, 53]==38&]  (* Harvey P. Dale, Apr 29 2011 *)

Select[Prime[Range[2600]], MemberQ[{38}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(20000) | p mod 53 eq 38]; // Vincenzo Librandi, Aug 30 2012

(PARI) is(n)=isprime(n) && n%53==38 \\ Charles R Greathouse IV, Jul 04 2016

CROSSREFS

Cf. A000040.

Sequence in context: A294187 A158223 A142503 * A188336 A142230 A142414

Adjacent sequences:  A142565 A142566 A142567 * A142569 A142570 A142571

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 9 12:45 EDT 2021. Contains 343740 sequences. (Running on oeis4.)