A142187 - OEIS

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A142187

Primes congruent to 11 mod 40.

11, 131, 211, 251, 331, 491, 571, 691, 811, 971, 1051, 1091, 1171, 1291, 1451, 1531, 1571, 1811, 1931, 2011, 2131, 2251, 2371, 2411, 2531, 2731, 2851, 2971, 3011, 3251, 3331, 3371, 3491, 3571, 3691, 3851, 3931, 4051, 4091, 4211, 4451, 4651, 4691, 4931, 5011

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

FORMULA

a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2000]], MemberQ[{11}, Mod[#, 40]]&] (* Vincenzo Librandi, Aug 20 2012 *)

Select[Range[11, 5500, 40], PrimeQ] (* Harvey P. Dale, Sep 13 2021 *)

PROG

(Magma) [p: p in PrimesUpTo(7000) | p mod 40 eq 11]; // Vincenzo Librandi, Aug 20 2012