a(1) = 1, then the smallest prime divisor of A065447(n) not included earlier.

Terms

a(0) =1a(1) =2a(2) =11a(3) =5a(4) =3a(5) =29a(6) =101a(7) =113a(8) =41a(9) =271a(10) =7a(11) =13a(12) =239a(13) =613a(14) =73a(15) =137a(16) =37a(17) =8291a(18) =9091a(19) =157637a(20) =313a(21) =21649a(22) =9901a(24) =53a(25) =79a(26) =229a(27) =4649a(28) =31a(29) =13001a(30) =17