The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #4 Dec 05 2013 19:56:36
%S 1,2,3,5,7,9,10,11,12,13,14,15,16,17,18,19,30,31,32,33,34,35,36,37,38,
%T 39,70,71,72,73,74,75,76,77,78,79,90,91,92,93,94,95,96,97,98,99,100,
%U 101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118
%N Numbers that are the leading digits of a palindromic prime.
%C Conjecture: every number beginning with 1, 3, 7 or 9 begins infinitely many palindromic primes.
%Y Cf. A082768, A089744.
%K base,easy,nonn
%O 1,2
%A _Amarnath Murthy_, Nov 19 2003
%E Edited and extended by _David Wasserman_, Jul 28 2005