Numbers k such that (86*10^k - 329)/9 is prime.

Terms

a(0) =1a(1) =2a(2) =7a(3) =22a(4) =50a(5) =76a(6) =77a(7) =130a(8) =193a(9) =259a(10) =347a(11) =590a(12) =665a(13) =838a(14) =1516a(15) =3512a(16) =3566a(17) =3688a(18) =5393a(19) =5408a(20) =5875a(21) =10160a(22) =24238a(23) =127967