a(n) = 11*n + 7.

Terms

a(0) =7a(1) =18a(2) =29a(3) =40a(4) =51a(5) =62a(6) =73a(7) =84a(8) =95a(9) =106a(10) =117a(11) =128a(12) =139a(13) =150a(14) =161a(15) =172a(16) =183a(17) =194a(18) =205a(19) =216a(20) =227a(21) =238a(22) =249a(23) =260a(24) =271a(25) =282a(26) =293a(27) =304a(28) =315a(29) =326