Numbers k such that A027612(k) is prime.

Terms

a(0) =2a(1) =3a(2) =6a(3) =9a(4) =18a(5) =25a(6) =29a(7) =30a(8) =39a(9) =84a(10) =91a(11) =125a(12) =130a(13) =184a(14) =195a(15) =199a(16) =203a(17) =241a(18) =245a(19) =273a(20) =281a(21) =378a(22) =552a(23) =571a(24) =653a(25) =776a(26) =901a(27) =1099a(28) =1215a(29) =1224