Numbers n such that 10^n - 47 is prime.

Terms

a(0) =2a(1) =3a(2) =6a(3) =33a(4) =48a(5) =74a(6) =231a(7) =3206a(8) =4544a(9) =7064a(10) =13634a(11) =41384a(12) =64862a(13) =82790