Primes starting and ending with 9.

Terms

a(0) =919a(1) =929a(2) =9029a(3) =9049a(4) =9059a(5) =9109a(6) =9199a(7) =9209a(8) =9239a(9) =9319a(10) =9349a(11) =9419a(12) =9439a(13) =9479a(14) =9539a(15) =9619a(16) =9629a(17) =9649a(18) =9679a(19) =9689a(20) =9719a(21) =9739a(22) =9749a(23) =9769a(24) =9829a(25) =9839a(26) =9859a(27) =9929a(28) =9949a(29) =90019