Indices of primes in sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 33 for n > 0.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =5a(5) =6a(6) =10a(7) =20a(8) =29a(9) =67a(10) =72a(11) =168a(12) =175a(13) =344a(14) =822a(15) =1020a(16) =1190a(17) =2072a(18) =2754a(19) =10716a(20) =14672a(21) =16753a(22) =17605a(23) =81028a(24) =120850a(25) =167964a(26) =200407