Numbers n such that 10^n - 63 is prime.

Terms

a(0) =2a(1) =3a(2) =7a(3) =9a(4) =12a(5) =16a(6) =33a(7) =78a(8) =124a(9) =334a(10) =3618a(11) =3682a(12) =3739a(13) =4732a(14) =6676a(15) =16014a(16) =20023a(17) =20364a(18) =66793