Primes of the form prime(n)*prime(n+1) - 4.

Terms

a(0) =2a(1) =11a(2) =31a(3) =73a(4) =139a(5) =433a(6) =1759a(7) =2017a(8) =5179a(9) =6553a(10) =8629a(11) =10399a(12) =14347a(13) =16633a(14) =20707a(15) =39199a(16) =53353a(17) =131749a(18) =159193a(19) =186619a(20) =216217a(21) =250993a(22) =471949a(23) =509767a(24) =608347a(25) =736159a(26) =777919a(27) =938953a(28) =1022113a(29) =1065019