a(n) = 2*n + 6.

Terms

a(0) =6a(1) =8a(2) =10a(3) =12a(4) =14a(5) =16a(6) =18a(7) =20a(8) =22a(9) =24a(10) =26a(11) =28a(12) =30a(13) =32a(14) =34a(15) =36a(16) =38a(17) =40a(18) =42a(19) =44a(20) =46a(21) =48a(22) =50a(23) =52a(24) =54a(25) =56a(26) =58a(27) =60a(28) =62a(29) =64