Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) - 9 for n > 0.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =8a(7) =44a(8) =135a(9) =141a(10) =157a(11) =242a(12) =922a(13) =1234a(14) =2195a(15) =4649a(16) =6118a(17) =7323a(18) =9542a(19) =13493a(20) =20309a(21) =20359a(22) =232919a(23) =830864a(24) =902707a(25) =1454507