Primes that are the average of the members of more than one emirp pair.

Terms

a(0) =14741a(1) =22727a(2) =23327a(3) =24547a(4) =25447a(5) =27067a(6) =28277a(7) =42929a(8) =63541a(9) =65761a(10) =85453a(11) =1217171a(12) =1221221a(13) =1227271a(14) =1243421a(15) =1245421a(16) =1246471a(17) =1250521a(18) =1253521a(19) =1257521a(20) =1261571a(21) =1271671a(22) =1283771a(23) =1327231a(24) =1335331a(25) =1338331a(26) =1339381