Indices of primes in sequence defined by A(0) = 63, A(n) = 10*A(n-1) + 13 for n > 0.

Terms

a(0) =1a(1) =4a(2) =5a(3) =10a(4) =14a(5) =68a(6) =89a(7) =133a(8) =188a(9) =244a(10) =266a(11) =269a(12) =469a(13) =1574a(14) =2294a(15) =2506a(16) =3511a(17) =3824a(18) =6856a(19) =11021a(20) =11656a(21) =17498a(22) =35035a(23) =41965a(24) =50557a(25) =93061