A128375 Palindromic primes that start and end with 9.

919, 929, 90709, 91019, 93139, 93239, 93739, 94049, 94349, 94649, 94849, 94949, 95959, 96269, 96469, 96769, 97379, 97579, 97879, 98389, 98689, 9002009, 9015109, 9024209, 9037309, 9042409, 9043409, 9045409, 9046409, 9049409, 9067609

Offset

1,1

Comments

Subsequence of A002385 (palindromic primes) and A002113 (palindromic numbers). Complement of A222729 (palindromic composite numbers starting with a digit 9) with respect to A043044 (palindromic numbers starting with a digit 9). - Jaroslav Krizek, Mar 09 2013

Links

Jaroslav Krizek, Table of n, a(n) for n = 1..1000

Mathematica

Select[Prime[Range[607000]], Reverse[x = IntegerDigits[#]] == x && First[x] == 9 &] (* Jayanta Basu, Jun 24 2013 *)

Crossrefs

Cf. A002385, A128374, A128376.

Sequence in context: A062335 A179673 A082518 * A068689 A088284 A020399

Adjacent sequences: A128372 A128373 A128374 * A128376 A128377 A128378

Keyword

nonn,base,less

Author

Lekraj Beedassy, Feb 27 2007

Extensions

Extended by Ray Chandler, Feb 28 2007

Status

approved