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A142550 Primes congruent to 20 mod 53. 1
73, 179, 709, 1451, 1663, 2087, 2617, 3041, 3253, 3359, 3571, 3677, 3889, 5479, 5903, 6221, 6857, 7069, 8447, 9613, 9719, 9931, 10037, 10567, 11839, 12157, 12263, 12899, 13217, 14489, 15443, 15761, 15973, 16927, 17033, 17351, 17669, 17881, 17987, 18199 (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 03 2016

MATHEMATICA

Select[Prime[Range[2600]], MemberQ[{20}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012

PROG

(MAGMA) [p: p in PrimesUpTo(20000) | p mod 53 eq 20]; // Vincenzo Librandi, Aug 30 2012

(PARI) is(n)=isprime(n) && n%53==20 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A044405 A044786 A244774 * A269790 A142741 A088199

Adjacent sequences:  A142547 A142548 A142549 * A142551 A142552 A142553

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified January 27 14:43 EST 2022. Contains 350607 sequences. (Running on oeis4.)