Numbers k such that 9^k - 10 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =9a(4) =11a(5) =18a(6) =19a(7) =27a(8) =28a(9) =46a(10) =50a(11) =53a(12) =80a(13) =155a(14) =203a(15) =280a(16) =451a(17) =4963a(18) =6167a(19) =9687a(20) =10083a(21) =31450