A088272 Palindromic primes that yield a prime when sandwiched between two 9's.

2, 101, 313, 373, 757, 787, 10301, 12721, 12821, 17471, 17971, 19991, 32423, 35153, 35753, 37573, 72727, 73237, 77977, 78787, 78887, 90709, 93139, 93239, 97879, 1035301, 1117111, 1120211, 1129211, 1134311, 1178711, 1183811, 1186811

Offset

1,1

Links

Table of n, a(n) for n=1..33.

Example

373 is a member as 93739 is also a prime.

Crossrefs

Cf. A088269, A088270, A088271.

Sequence in context: A157338 A064152 A162353 * A125819 A179998 A072383

Adjacent sequences: A088269 A088270 A088271 * A088273 A088274 A088275

Keyword

base,nonn

Author

Amarnath Murthy, Sep 28 2003

Extensions

More terms from David Wasserman, Jul 28 2005

Status

approved