Indices of primes in sequence defined by A(0) = 91, A(m) = 10*A(m-1) - 9 for m > 0.

Terms

a(0) =2a(1) =3a(2) =4a(3) =8a(4) =21a(5) =26a(6) =35a(7) =56a(8) =61a(9) =77a(10) =200a(11) =536a(12) =695a(13) =789a(14) =904a(15) =1037a(16) =66885a(17) =70499a(18) =91835a(19) =100612a(20) =127239a(21) =380733a(22) =583695a(23) =719054a(24) =823036a(25) =862867