Difference between 10^n and the first prime of gap 6 > 10^n.

Terms

a(0) =13a(1) =31a(2) =13a(3) =61a(4) =43a(5) =187a(6) =223a(7) =217a(8) =87a(9) =97a(10) =57a(11) =163a(12) =267a(13) =133a(14) =273a(15) =2473a(16) =13a(17) =3a(18) =91a(19) =757a(20) =367a(21) =421a(22) =531a(23) =177a(24) =343a(25) =673a(26) =1753a(27) =721a(28) =847a(29) =6331