login
A089743
Numbers that are the leading digits of a palindromic prime.
3
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, 39, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118
OFFSET
1,2
COMMENTS
Conjecture: every number beginning with 1, 3, 7 or 9 begins infinitely many palindromic primes.
CROSSREFS
Sequence in context: A193889 A177922 A102246 * A080587 A342190 A175415
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Nov 19 2003
EXTENSIONS
Edited and extended by David Wasserman, Jul 28 2005
STATUS
approved