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A103170 Start of eight consecutive primes whose digit reversals are also prime. +0
4
727, 1193, 1201, 1213, 334759, 7904639, 7904651, 9094009, 9685771, 11875307, 12503017, 19776443, 32906869, 35414443, 37376201, 70252333, 71161309, 73694129, 77454067, 91528739, 91528777, 91528807, 93907523 (list; graph; listen)
OFFSET

1,1

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.

Adjacent sequences: A103167 A103168 A103169 this_sequence A103171 A103172 A103173

Sequence in context: A123096 A108846 A052234 this_sequence A129117 A038600 A094733

KEYWORD

base,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jan 31 2005

EXTENSIONS

Edited by David Wasserman (dwasserm(AT)earthlink.net), Sep 05 2006

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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