A142466 Primes congruent to 27 mod 50.

127, 227, 277, 577, 677, 727, 827, 877, 977, 1277, 1327, 1427, 1627, 1777, 1877, 2027, 2377, 2477, 2677, 2777, 2927, 3527, 3677, 3727, 3877, 4027, 4127, 4177, 4327, 4877, 5077, 5227, 5477, 5527, 5827, 5927, 6277, 6427, 6577, 6827, 6977, 7027, 7127, 7177

Offset

1,1

Links

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

Formula

a(n) ~ 20n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[1000]], MemberQ[{27}, Mod[#, 50]] &] (* Vincenzo Librandi, Aug 28 2012 *)
Select[Range[27, 7200, 50], PrimeQ] (* Harvey P. Dale, Apr 08 2018 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 50 eq 27]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%50==27 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A141928.

Sequence in context: A343319 A045117 A178700 * A268860 A142491 A142551

Adjacent sequences: A142463 A142464 A142465 * A142467 A142468 A142469

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved