Primes of the form (p + prime(p))/2 with prime p.

Terms

a(0) =43a(1) =53a(2) =79a(3) =97a(4) =199a(5) =257a(6) =347a(7) =1103a(8) =1187a(9) =1303a(10) =1367a(11) =1753a(12) =2029a(13) =2351a(14) =2593a(15) =2647a(16) =3181a(17) =3253a(18) =4663a(19) =4787a(20) =4903a(21) =4919a(22) =5573a(23) =6091a(24) =7079a(25) =7331a(26) =7369a(27) =7457a(28) =8101a(29) =8527