Numbers k such that (17*10^k - 77)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =9a(5) =15a(6) =21a(7) =26a(8) =33a(9) =42a(10) =131a(11) =168a(12) =434a(13) =464a(14) =501a(15) =1004a(16) =1011a(17) =1089a(18) =1509a(19) =2025a(20) =2283a(21) =2526a(22) =9150a(23) =9464a(24) =14139a(25) =14827a(26) =18941a(27) =32426a(28) =36719a(29) =42933