Primes p+10^n arising in A127003.

Terms

a(0) =3a(1) =13a(2) =103a(3) =1013a(4) =10007a(5) =100003a(6) =1000003a(7) =10000019a(8) =100000007a(9) =1000000007a(10) =10000000019a(11) =100000000003