A141856 Primes congruent to 9 mod 11.

31, 53, 97, 163, 229, 251, 317, 383, 449, 647, 691, 757, 823, 911, 977, 1021, 1087, 1109, 1153, 1307, 1373, 1439, 1483, 1549, 1571, 1637, 1747, 1879, 1901, 2011, 2099, 2143, 2297, 2341, 2473, 2539, 2671, 2693, 2803, 2957, 3001, 3023, 3067, 3089, 3221, 3331

Offset

1,1

Links

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

Formula

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

Mathematica

Select[Range[9, 50000, 11], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 13 2011 *)

Prog

(Magma) [ p: p in PrimesUpTo(5000) | p mod 11 eq 9 ]; // Vincenzo Librandi, Apr 19 2011
(PARI) is(n)=isprime(n) && n%11==9 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Sequence in context: A176507 A163321 A182380 * A104332 A045116 A092227

Adjacent sequences: A141853 A141854 A141855 * A141857 A141858 A141859

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved