A142086 Primes congruent to 16 mod 35.

191, 331, 401, 541, 751, 821, 1031, 1171, 1381, 1451, 1801, 1871, 2011, 2081, 2221, 2711, 2851, 3061, 3271, 3691, 3761, 4111, 4391, 4951, 5021, 5231, 5441, 5581, 5651, 5791, 5861, 6211, 6421, 6491, 6701, 6841, 6911, 7121, 7331, 7541, 7681, 8101, 8171, 8311

Offset: 1

Author

N. J. A. Sloane, Jul 11 2008

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A000040.

Programs

Magma

[p: p in PrimesUpTo(10000) | p mod 35 eq 16 ]; // Vincenzo Librandi, Aug 18 2012

Mathematica

Select[Range[16, 20000, 35], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 29 2011 *)
Select[Prime[Range[3000]],MemberQ[{16},Mod[#,35]]&] (* Vincenzo Librandi, Aug 18 2012 *)

PARI

is(n)=isprime(n) && n%35==16 \\ Charles R Greathouse IV, Jul 02 2016

Formula

a(n) ~ 24n log n. - Charles R Greathouse IV, Jul 02 2016