a(n) = prime(7*n - 4).

Terms

a(0) =5a(1) =29a(2) =59a(3) =89a(4) =127a(5) =163a(6) =197a(7) =239a(8) =277a(9) =317a(10) =367a(11) =409a(12) =449a(13) =491a(14) =547a(15) =593a(16) =631a(17) =673a(18) =727a(19) =769a(20) =823a(21) =863a(22) =919a(23) =971a(24) =1019a(25) =1061a(26) =1103a(27) =1163a(28) =1217a(29) =1277