Numbers n such that 10^n - 71 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =7a(5) =9a(6) =10a(7) =14a(8) =22a(9) =98a(10) =127a(11) =151a(12) =158a(13) =274a(14) =377a(15) =1015a(16) =2146a(17) =8499a(18) =13885a(19) =13991a(20) =17834a(21) =18211a(22) =36271a(23) =52317a(24) =53804a(25) =104212a(26) =117059a(27) =178695