Primes of the form p = prime(k) = (prime(k+3)+prime(k-1))/2.

Terms

a(0) =1009a(1) =2789a(2) =4001a(3) =4931a(4) =5431a(5) =5501a(6) =5519a(7) =5839a(8) =6029a(9) =6521a(10) =7103a(11) =7817a(12) =8081a(13) =8147a(14) =8353a(15) =10091a(16) =17011a(17) =18251a(18) =18301a(19) =19751a(20) =21139a(21) =22769a(22) =25013a(23) =25339a(24) =25931a(25) =26681a(26) =27271a(27) =27397a(28) =27791a(29) =28429