Indices of primes in the hexanacci numbers sequence A000383.

Terms

a(0) =7a(1) =9a(2) =30a(3) =31a(4) =33a(5) =46a(6) =52a(7) =54a(8) =82a(9) =102a(10) =109a(11) =124a(12) =210a(13) =301a(14) =351a(15) =365a(16) =369a(17) =1045a(18) =2044a(19) =2125a(20) =2143a(21) =2815a(22) =4377a(23) =4754a(24) =4893a(25) =7310a(26) =11558a(27) =17602a(28) =17929a(29) =28389