A167442 Prime numbers ending in the prime number 11.

11, 211, 311, 811, 911, 1511, 1811, 2011, 2111, 2311, 2411, 2711, 3011, 3511, 3911, 4111, 4211, 5011, 5711, 6011, 6211, 6311, 6911, 7211, 7411, 8011, 8111, 8311, 9011, 9311, 9511, 9811, 10111, 10211, 10711, 11311, 11411, 12011, 12211, 12511, 12611

Offset: 1

Author

Mark A. Thomas, Nov 03 2009

Keywords

• base
• nonn

Comments

Also primes of the form 100*n+11. - Vincenzo Librandi, Jul 07 2014

Links

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

Crossrefs

Cf. A101471.

Cf. similar sequences listed in A244763.

Programs

Magma

[n: n in PrimesUpTo(15000) | n mod 100 eq 11]; // Vincenzo Librandi, Jul 07 2014

Mathematica

Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={1, 1} &] (* Vincenzo Librandi, Jul 07 2014 *)
Select[Range[11,20011,100],PrimeQ] (* Harvey P. Dale, Nov 09 2014 *)

PARI

select(x->(x % 100)==11, primes(2000)) \\ Michel Marcus, Jul 07 2014