Indices of primes in sequence defined by A(0) = 17, A(n) = 10*A(n-1) - 63 for n > 0.

Terms

a(0) =0a(1) =1a(2) =3a(3) =7a(4) =8a(5) =23a(6) =59a(7) =109a(8) =133a(9) =221a(10) =411a(11) =699a(12) =998a(13) =1382a(14) =5075a(15) =5542a(16) =6343a(17) =14599a(18) =15092a(19) =21716a(20) =23635a(21) =30220a(22) =50710a(23) =221627a(24) =350070a(25) =371695a(26) =487290a(27) =995255a(28) =1043371