Numbers k such that 9*k - 2 is prime.

Terms

a(0) =1a(1) =5a(2) =7a(3) =9a(4) =11a(5) =17a(6) =25a(7) =27a(8) =31a(9) =35a(10) =37a(11) =39a(12) =41a(13) =47a(14) =49a(15) =51a(16) =61a(17) =67a(18) =69a(19) =75a(20) =77a(21) =79a(22) =81a(23) =95a(24) =101a(25) =111a(26) =115a(27) =117a(28) =119a(29) =121