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Primes that are the average of the members of exactly 2 emirp pairs.
2

%I #5 Mar 31 2012 10:26:16

%S 14741,22727,23327,28277,63541,65761,85453,1217171,1221221,1227271,

%T 1243421,1245421,1253521,1261571,1271671,1283771,1327231,1338331,

%U 1347481,1359581,1363631,1371731,1415191,1489841,1513151,1514101

%N Primes that are the average of the members of exactly 2 emirp pairs.

%e 23327 is the prime arithmetic mean of emirp pair (10853, 35801) as well as of emirp pair (15803, 30851), and no other.

%Y Cf. A178581, A178587, A178589.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, May 29 2010

%E Extended by _Ray Chandler_, Jul 05 2010

%E a(8)-a(26) from _Donovan Johnson_, Jul 06 2010