A142480 Primes congruent to 7 mod 51.

7, 109, 211, 313, 619, 823, 1129, 1231, 1741, 2251, 2557, 2659, 3067, 3169, 3271, 3373, 4597, 4801, 4903, 5107, 5209, 5413, 5821, 5923, 6229, 6637, 6841, 7351, 7759, 7963, 8167, 8269, 8677, 8779, 9187, 9391, 9697, 9901, 10513, 11329, 11839, 11941, 12043

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]], Mod[#, 51]==7&]  (* Harvey P. Dale, Jan 18 2011 *)
Select[Prime[Range[2400]], MemberQ[{7}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 7]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%51==7 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A130629 A137648 A106977 * A202515 A096498 A123804

Adjacent sequences: A142477 A142478 A142479 * A142481 A142482 A142483

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved