Primes p such that p = (prime(n)+ prime(n+5))/2.

Terms

a(0) =59a(1) =131a(2) =139a(3) =239a(4) =269a(5) =281a(6) =331a(7) =401a(8) =431a(9) =691a(10) =769a(11) =797a(12) =929a(13) =1021a(14) =1439a(15) =1549a(16) =1741a(17) =1831a(18) =1847a(19) =1999a(20) =2141a(21) =2221a(22) =2269a(23) =2459a(24) =2633a(25) =2699a(26) =2719a(27) =2731a(28) =3319a(29) =3529