

A103170


Start of eight consecutive primes whose digit reversals are also prime.


3



727, 1193, 1201, 1213, 334759, 7904639, 7904651, 9094009, 9685771, 11875307, 12503017, 19776443, 32906869, 35414443, 37376201, 70252333, 71161309, 73694129, 77454067, 91528739, 91528777, 91528807, 93907523
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..23.


EXAMPLE

1193, 1201, 1213, 1217, 1223, 1229, 1231 and 1237 are consecutive primes.
Their digit reversals, 3911, 1021, 3121, 7121, 3221, 9221, 1321 and 7321, are all prime.


CROSSREFS

Cf. A007500, A103169, A103171, A103172.
Sequence in context: A123096 A108846 A052234 * A153215 A129117 A158394
Adjacent sequences: A103167 A103168 A103169 * A103171 A103172 A103173


KEYWORD

base,nonn


AUTHOR

Labos Elemer, Jan 31 2005


EXTENSIONS

Edited by David Wasserman, Sep 05 2006


STATUS

approved



