A142490 - OEIS

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A142490

Primes congruent to 23 mod 51.

23, 227, 431, 839, 941, 1451, 1553, 2063, 2267, 2777, 2879, 3083, 3389, 3491, 3593, 3797, 4001, 4409, 4817, 4919, 5021, 5531, 5939, 6143, 6449, 6551, 6653, 6857, 6959, 7673, 7877, 8081, 8387, 8693, 8999, 9203, 10223, 10427, 10529, 10631, 10733, 10937, 11243

(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) ~ 32n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2400]], MemberQ[{23}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)

PROG

(Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 23]; // Vincenzo Librandi, Aug 28 2012

(PARI) is(n)=isprime(n) && n%51==23 \\ Charles R Greathouse IV, Jul 03 2016