a(n) = 7*n + 3.

Terms

a(0) =3a(1) =10a(2) =17a(3) =24a(4) =31a(5) =38a(6) =45a(7) =52a(8) =59a(9) =66a(10) =73a(11) =80a(12) =87a(13) =94a(14) =101a(15) =108a(16) =115a(17) =122a(18) =129a(19) =136a(20) =143a(21) =150a(22) =157a(23) =164a(24) =171a(25) =178a(26) =185a(27) =192a(28) =199a(29) =206