OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[6, 1700]], Take[IntegerDigits[#], -2] =={3, 1}&] (* Harvey P. Dale, Mar 31 2011 *)
PROG
(PARI) forprime(p=2, 10^5, if(p%100==31, print1(p, ", "))); /* Joerg Arndt, Apr 01 2011 */
(Magma) [n: n in PrimesUpTo(14000) | n mod 100 eq 31]; // Vincenzo Librandi and Bruno Berselli, Apr 02 2011
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Mark A. Thomas, Nov 02 2009
STATUS
approved