A142442 Primes congruent to 33 mod 49.

131, 229, 523, 719, 1013, 1307, 1601, 1699, 1993, 2287, 2777, 3169, 3463, 3659, 4051, 4639, 4933, 5227, 5521, 5717, 6011, 6599, 6991, 7187, 7481, 7873, 8069, 8167, 8363, 8461, 8951, 9049, 9343, 9539, 9833, 9931, 11597, 12479, 12577, 14243, 14341, 14537

Offset

1,1

Links

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

Formula

a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2500]], MemberQ[{33}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)
Select[Range[33, 15000, 49], PrimeQ] (* Harvey P. Dale, Dec 08 2015 *)

Prog

(Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 33]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%49==33 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A141920 A124308 A059702 * A288410 A033206 A107001

Adjacent sequences: A142439 A142440 A142441 * A142443 A142444 A142445

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved