Difference between first twin prime > 10^n and 10^n.

Terms

a(0) =2a(1) =1a(2) =1a(3) =19a(4) =7a(5) =151a(6) =37a(7) =139a(8) =37a(9) =7a(10) =277a(11) =817a(12) =61a(13) =1267a(14) =97a(15) =2371a(16) =1549a(17) =19a(18) =619a(19) =97a(20) =391a(21) =409a(22) =649a(23) =5527a(24) =2731a(25) =559a(26) =949a(27) =427a(28) =601a(29) =2797