A142507 Primes congruent to 50 mod 51.

101, 509, 1019, 1223, 1427, 1733, 2039, 2141, 2243, 2447, 2549, 2753, 2957, 3467, 3671, 4079, 4283, 4691, 4793, 5099, 5303, 5507, 5711, 5813, 6221, 6323, 6833, 7547, 7649, 7853, 8363, 8669, 9281, 9587, 9689, 9791, 10301, 10607, 10709, 11117, 11321, 11423

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[2000]], MemberQ[{50}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 29 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 50]; // Vincenzo Librandi, Aug 29 2012
(PARI) is(n)=isprime(n) && n%51==50 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A055438 A142692 A060012 * A131697 A153806 A227521

Adjacent sequences: A142504 A142505 A142506 * A142508 A142509 A142510

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved