a(n) = 7*n + 5.

Terms

a(0) =5a(1) =12a(2) =19a(3) =26a(4) =33a(5) =40a(6) =47a(7) =54a(8) =61a(9) =68a(10) =75a(11) =82a(12) =89a(13) =96a(14) =103a(15) =110a(16) =117a(17) =124a(18) =131a(19) =138a(20) =145a(21) =152a(22) =159a(23) =166a(24) =173a(25) =180a(26) =187a(27) =194a(28) =201a(29) =208