Numbers k such that 7*k - 2 is prime.

Terms

a(0) =1a(1) =3a(2) =7a(3) =9a(4) =13a(5) =15a(6) =19a(7) =25a(8) =33a(9) =37a(10) =39a(11) =45a(12) =55a(13) =57a(14) =63a(15) =67a(16) =73a(17) =75a(18) =85a(19) =87a(20) =97a(21) =99a(22) =103a(23) =105a(24) =109a(25) =123a(26) =127a(27) =133a(28) =139a(29) =145