A178588 Primes that are the average of the members of exactly 2 emirp pairs.
14741, 22727, 23327, 28277, 63541, 65761, 85453, 1217171, 1221221, 1227271, 1243421, 1245421, 1253521, 1261571, 1271671, 1283771, 1327231, 1338331, 1347481, 1359581, 1363631, 1371731, 1415191, 1489841, 1513151, 1514101
Offset: 1
Examples
23327 is the prime arithmetic mean of emirp pair (10853, 35801) as well as of emirp pair (15803, 30851), and no other.
Extensions
Extended by Ray Chandler, Jul 05 2010
a(8)-a(26) from Donovan Johnson, Jul 06 2010