Indices of primes in sequence defined by A(0) = 83, A(n) = 10*A(n-1) + 63 for n > 0.

Terms

a(0) =0a(1) =5a(2) =8a(3) =9a(4) =11a(5) =12a(6) =22a(7) =60a(8) =193a(9) =232a(10) =548a(11) =764a(12) =972a(13) =1060a(14) =1185a(15) =1852a(16) =3712a(17) =6788a(18) =7253a(19) =7764a(20) =9024a(21) =10854a(22) =23639a(23) =31439a(24) =31838a(25) =32286a(26) =120341a(27) =132147