A271367 - OEIS

A271367

Primes congruent to 11, 13, 17 or 19 (mod 30).

11, 13, 17, 19, 41, 43, 47, 71, 73, 79, 101, 103, 107, 109, 131, 137, 139, 163, 167, 191, 193, 197, 199, 223, 227, 229, 251, 257, 281, 283, 311, 313, 317, 347, 349, 373, 379, 401, 409, 431, 433, 439, 461, 463, 467, 491, 499, 521, 523, 557, 587, 613, 617

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

FORMULA

a(n) ~ 2n log n. - Charles R Greathouse IV, Apr 05 2016

MAPLE

select(isprime, [seq(seq(30*i+k, k = [11, 13, 17, 19]), i=0..100)]); # Robert Israel, Apr 05 2016

MATHEMATICA

Select[Prime[Range[200]], MemberQ[{11, 13, 17, 19}, Mod[#, 30]]&] (* Harvey P. Dale, Aug 23 2017 *)

PROG