A141854 Primes congruent to 7 mod 11.

7, 29, 73, 139, 227, 271, 293, 337, 359, 491, 557, 601, 733, 821, 887, 953, 997, 1019, 1063, 1129, 1151, 1217, 1283, 1327, 1459, 1481, 1613, 1657, 1723, 1789, 1811, 1877, 1987, 2053, 2141, 2207, 2251, 2273, 2339, 2383, 2647, 2713, 2801, 2999, 3109, 3307, 3329

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

Programs

Magma

[ p: p in PrimesUpTo(5000) | p mod 11 eq 7 ]; // Vincenzo Librandi, Apr 19 2011

Mathematica

Select[Range[7, 50000, 11], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 13 2011 *)

PARI

is(n)=isprime(n) && n%11==7 \\ Charles R Greathouse IV, Jul 02 2016

Formula

a(n) ~ 10n log n. - Charles R Greathouse IV, Jul 02 2016