a(n) = 10^n + prime(n).

Terms

a(0) =12a(1) =103a(2) =1005a(3) =10007a(4) =100011a(5) =1000013a(6) =10000017a(7) =100000019a(8) =1000000023a(9) =10000000029a(10) =100000000031